{"product_id":"cultiv8-tube-heater","title":"Tube Heaters by Cultiv8 — IP55 Grow Room Heat Bars, 60W to 300W","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Arial, sans-serif; max-width: 860px; margin: 0 auto; color: #1a1a1a;\"\u003e\n\n\u003cp style=\"font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem;\"\u003eCold nights are where grows go wrong — growth stalls, roots sulk, and the condensation that follows invites mould in. The Cultiv8 Tube Heater is a sealed radiant heat bar that holds your grow area in the goldilocks zone with gentle, silent background warmth. Six sizes run from a 30cm 60W bar for a propagation cabinet up to a 150cm 300W bar for a 7m³ room, and every one mounts to the floor on its included feet or straight onto a wall — no fan, no noise, no floor space sacrificed.\u003c\/p\u003e\n\n\u003cdiv style=\"background: #fff3e0; border-left: 4px solid #e65100; padding: 1rem 1.3rem; border-radius: 6px; margin-bottom: 2rem; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cstrong style=\"color: #e65100;\"\u003eRun it on a controller.\u003c\/strong\u003e A tube heater runs flat out whenever it's powered, and the tube surface sits at 91–96°C in operation. Pair it with a plug-in thermostat like the \u003ca href=\"\/products\/thermostat-by-cultiv8-precision-heat-control-for-mats-rods-more\" style=\"color: #e65100;\"\u003eCultiv8 Thermostat\u003c\/a\u003e and it becomes a set-and-forget heater that only draws power when the temperature actually dips.\u003c\/div\u003e\n\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eHolds The Goldilocks Zone\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eSteady ambient warmth keeps plants out of cold-stress territory, so you don't lose a week of growth to one cold snap or shock the root zone overnight.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eKeeps Mould Off The Menu\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eA few degrees of warmth stops overnight condensation forming on leaves and tent walls — the moisture that powdery mildew and Botrytis wait for.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eCheap To Run All Night\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eAt 60–300W it sips power compared to a fan heater cycling all night, and with no fan or moving parts it runs in complete silence.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eIP55 Sealed For Grow Spaces\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eProtected against dust and water splash, so the humidity, misting and occasional spill of a working grow tent or greenhouse won't hurt it.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eSix Sizes, 2m³ To 7m³\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eFrom 60W\/30cm for a propagation cabinet to 300W\/150cm for a full room — match the bar to the volume you're heating instead of paying for watts you don't need.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eSafe By Design\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eAn auto-reset thermal cut-out kills power if the tube overheats, and the included feet and brackets keep the hot surface off floors and walls.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdetails style=\"margin-bottom: 2rem;\"\u003e\n\u003csummary style=\"cursor: pointer; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003e\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; margin: 0; display: inline;\"\u003eSpecifications\u003c\/h2\u003e\u003c\/summary\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; font-size: 0.95rem;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Cultiv8\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Radiant tube heater (heat bar)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePower options:\u003c\/strong\u003e 60W \/ 80W \/ 120W \/ 180W \/ 240W \/ 300W\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTube lengths:\u003c\/strong\u003e 30 \/ 60 \/ 60 \/ 90 \/ 120 \/ 150cm\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCoverage guide:\u003c\/strong\u003e ≤2 \/ 2–3 \/ 3–4 \/ 4–5 \/ 5–6 \/ 6–7 m³\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 220–240V, 50Hz — standard AU plug\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIngress rating:\u003c\/strong\u003e IP55 (dust and splash protected)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSurface temperature:\u003c\/strong\u003e ~91–96°C in operation\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Auto-reset thermal cut-out\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Floor or wall — feet and brackets included\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClearances:\u003c\/strong\u003e 30mm under tube; 200mm above a wall-mounted tube\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Pairs with plug-in thermostat controllers\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 2rem;\"\u003e\n\u003csummary style=\"cursor: pointer; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003e\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; margin: 0; display: inline;\"\u003eGrower's Tip\u003c\/h2\u003e\u003c\/summary\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f9a825; padding: 1rem 1.3rem; border-radius: 6px; margin-bottom: 0;\"\u003e\n\u003cul style=\"margin: 0 0 0 1.2rem; padding: 0; font-size: 0.93rem; line-height: 1.7;\"\u003e\n\u003cli\u003eMount the bar low along the coldest wall of the space. Radiant heat rises through the canopy from below — a bar mounted high just warms the ceiling.\u003c\/li\u003e\n\u003cli\u003eSet your thermostat probe at canopy height, not next to the tube. You're controlling the temperature your plants feel, not the air 30mm from a 90°C surface.\u003c\/li\u003e\n\u003cli\u003eAdd a small circulation fan. It evens out the warm layer that forms above the bar and stops a toasty ceiling sitting over a cold floor.\u003c\/li\u003e\n\u003cli\u003eSkip the timer. A tube heater on a timer heats by the clock, not the temperature — a thermostat costs about the same to run, holds an actual set point, and switches the bar only when it's needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 2rem;\"\u003e\n\u003csummary style=\"cursor: pointer; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003e\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; margin: 0; display: inline;\"\u003eHow To Mount And Dial It In\u003c\/h2\u003e\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e1\u003c\/span\u003e\u003cspan\u003ePick your size by the volume you're heating: 60W for up to 2m³, 80W for 2–3m³, 120W for 3–4m³, 180W for 4–5m³, 240W for 5–6m³, 300W for 6–7m³. Caught between two sizes with a thermostat in play? Go bigger — it just reaches the set point faster.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e2\u003c\/span\u003e\u003cspan\u003eFit the mounts. On the floor, the feet hold the tube with its minimum 30mm clearance — never rest the tube directly on the floor. On a wall, keep at least 200mm of clear space above the tube and 30mm behind it.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e3\u003c\/span\u003e\u003cspan\u003eSecure the tube in its mounts before you switch anything on — it should never run loose. Keep the power cord clear of the tube and keep fabric, dripper lines and anything flammable well away.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e4\u003c\/span\u003e\u003cspan\u003ePlug it into your thermostat controller, hang the probe at canopy height, and set your minimum temperature.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e5\u003c\/span\u003e\u003cspan\u003eExpect a faint vapour for the first five minutes of the very first run — that's the production coating on the element burning off, and it's normal. Check your min\/max thermometer after the first cold night and nudge the set point from there.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 2rem;\"\u003e\n\u003csummary style=\"cursor: pointer; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003e\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; margin: 0; display: inline;\"\u003ePairs Well With\u003c\/h2\u003e\u003c\/summary\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem;\"\u003e\n\u003ca href=\"\/products\/thermostat-by-cultiv8-precision-heat-control-for-mats-rods-more\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eThermostat by Cultiv8\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eThe matching controller. Plug the heat bar in, set your minimum, and it only runs when the space actually needs heat.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/heat-mat-by-cultiv8\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eHeat Mat by Cultiv8\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eRoot-zone warmth under the trays while the tube holds the air temperature — the classic propagation pairing.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/vivosun-aeroflux-smart-grow-tent-heater-700w\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eVIVOSUN AeroFlux 700W Smart Heater\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eFor spaces that run properly cold — 700W of app-controlled fan-forced heating when background warmth isn't enough.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/cloudforge-t3-v2-by-ac-infinity\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eCloudforge T3 V2 Humidifier\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eWarm air holds more moisture — keep humidity where your plants want it while the heat bar keeps the chill off.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/heating\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eAll Grow Room Heating\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eTube heaters, heat mats and smart heaters for every size of grow.\u003c\/p\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 2rem;\"\u003e\n\u003csummary style=\"cursor: pointer; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003e\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; margin: 0; display: inline;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\u003c\/summary\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhich wattage do I need?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eMatch the bar to the volume you're keeping warm: 60W covers up to 2m³, 80W does 2–3m³, 120W does 3–4m³, 180W does 4–5m³, 240W does 5–6m³ and 300W does 6–7m³. A standard 1.2 x 1.2 x 2m tent is about 2.9m³ — an 80W or 120W bar. If you're between sizes and running a thermostat, go up a size; it costs nothing in practice because the controller stops it overshooting.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes it hold a set temperature on its own?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eNo — plugged straight into the wall it simply runs. The built-in thermal cut-out is an overheat safety, not a thermostat. Pair it with a plug-in controller like the Cultiv8 Thermostat, set your minimum temperature, and it becomes fully automatic.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eMine gave off a smell on first use — is that normal?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. The heating element is coated with a small amount of lubricant oil during production, and the first run burns it off as a faint vapour for around five minutes. It's expected behaviour, not a fault, and it doesn't come back.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs it safe inside a humid grow tent?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes — the IP55 rating protects it against dust and water splash, which is exactly what a working grow tent throws at it. The limits: it's not built for outdoor use in damp weather, and it must never be submerged. Inside a tent or greenhouse on its mounts, it's in its element.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eCan I sit it on the tent floor?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eOn its feet, yes — that's what they're for. Never lay the tube directly on the floor: the surface reaches 91–96°C in operation and the feet exist to hold that heat 30mm clear of whatever's underneath. Keep the power cord from touching the tube and don't cover the bar with anything.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eTube heater or heat mat — which do I want?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eThey do different jobs. A heat mat warms the root zone directly under trays and pots; a tube heater lifts the air temperature of the whole space. For propagation in a cold room, the strongest setup is both — a mat under the dome and a tube bar holding the ambient, each on its own controller.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/details\u003e\n\n\u003cdiv style=\"margin: 2rem 0 0;\"\u003e\n\u003cp style=\"font-size: 0.95rem; font-weight: 700; margin-bottom: 0.75rem; color: #1a1a1a;\"\u003eSelect Your Size\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem;\"\u003e\n\u003cbutton data-variant-id=\"52348692758826\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #2e5e2e; border-radius: 6px; background: #2e5e2e; color: #fff; font-size: 0.95rem; font-weight: 700; cursor: pointer;\"\u003e60W · 30cm\u003c\/button\u003e\n\u003cbutton data-variant-id=\"52348692791594\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #2e5e2e; border-radius: 6px; background: #fff; color: #2e5e2e; font-size: 0.95rem; font-weight: 600; cursor: pointer;\"\u003e80W · 60cm\u003c\/button\u003e\n\u003cbutton data-variant-id=\"52348692824362\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #2e5e2e; border-radius: 6px; background: #fff; color: #2e5e2e; font-size: 0.95rem; font-weight: 600; cursor: pointer;\"\u003e120W · 60cm\u003c\/button\u003e\n\u003cbutton data-variant-id=\"52348692857130\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #2e5e2e; border-radius: 6px; background: #fff; color: #2e5e2e; font-size: 0.95rem; font-weight: 600; cursor: pointer;\"\u003e180W · 90cm\u003c\/button\u003e\n\u003cbutton data-variant-id=\"52348692889898\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #2e5e2e; border-radius: 6px; background: #fff; color: #2e5e2e; font-size: 0.95rem; font-weight: 600; cursor: pointer;\"\u003e240W · 120cm\u003c\/button\u003e\n\u003cbutton data-variant-id=\"52348692922666\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #2e5e2e; border-radius: 6px; background: #fff; color: #2e5e2e; font-size: 0.95rem; font-weight: 600; cursor: pointer;\"\u003e300W · 150cm\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background: #1c3a1c; color: #fff; padding: 2rem; border-radius: 10px; text-align: center; margin-top: 0;\"\u003e\n\u003ch2 style=\"color: #fff !important; margin: 0 0 0.5rem; font-size: 1.3rem;\"\u003eKeep Cold Nights Off Your Plants\u003c\/h2\u003e\n\u003cp style=\"color: #aed1ae !important; margin: 0 0 1.5rem; font-size: 0.95rem;\"\u003eSilent IP55 radiant heat in six sizes from 2m³ to 7m³ — floor or wall mounted, thermostat-ready. Pick your size above. Free shipping over $499*.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;\"\u003e\n\u003cbutton id=\"btn-add-to-cart\" style=\"background: #b67317 !important; color: #fff !important; padding: 0.85rem 2rem !important; border: none !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 700 !important; cursor: pointer !important;\"\u003eAdd to Cart\u003c\/button\u003e\n\u003ca href=\"\/collections\/heating\" style=\"background: transparent !important; color: #fff !important; padding: 0.85rem 2rem !important; border: 2px solid #fff !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 600 !important; text-decoration: none !important; display: inline-block !important;\"\u003eShop All Heaters\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  var btn = document.getElementById('btn-add-to-cart');\n  if (!btn) return;\n\n  var selectedVariantId = '52348692758826';\n\n  var variantBtns = document.querySelectorAll('button[data-variant-id]');\n  variantBtns.forEach(function(b) {\n    b.addEventListener('click', function() {\n      selectedVariantId = this.getAttribute('data-variant-id');\n      variantBtns.forEach(function(ob) {\n        ob.style.background = '#fff';\n        ob.style.color = '#2e5e2e';\n        ob.style.fontWeight = '600';\n      });\n      this.style.background = '#2e5e2e';\n      this.style.color = '#fff';\n      this.style.fontWeight = '700';\n    });\n  });\n\n  btn.addEventListener('click', function() {\n    fetch('\/cart\/add.js', {\n      method: 'POST',\n      headers: {'Content-Type': 'application\/json'},\n      body: JSON.stringify({id: parseInt(selectedVariantId, 10), quantity: 1})\n    }).then(function(response) {\n      return response.json();\n    }).then(function(data) {\n      if (data.status \u0026\u0026 data.status !== 200) { throw new Error(data.description); }\n      btn.textContent = 'Added to Cart';\n      btn.style.background = '#2e5e2e';\n      setTimeout(function() {\n        btn.textContent = 'Add to Cart';\n        btn.style.background = '#b67317';\n      }, 2000);\n    }).catch(function() {\n      btn.textContent = 'Error — Try Again';\n      btn.style.background = '#c0392b';\n      setTimeout(function() {\n        btn.textContent = 'Add to Cart';\n        btn.style.background = '#b67317';\n      }, 2500);\n    });\n  });\n});\n\u003c\/script\u003e","brand":"Cultiv8","offers":[{"title":"60W","offer_id":52348692758826,"sku":"CULTIV8-TUBE-60W","price":49.95,"currency_code":"AUD","in_stock":true},{"title":"80W","offer_id":52348692791594,"sku":"CULTIV8-TUBE-80W","price":59.95,"currency_code":"AUD","in_stock":true},{"title":"120W","offer_id":52348692824362,"sku":"CULTIV8-TUBE-120W","price":64.95,"currency_code":"AUD","in_stock":true},{"title":"180W","offer_id":52348692857130,"sku":"CULTIV8-TUBE-180W","price":74.95,"currency_code":"AUD","in_stock":true},{"title":"240W","offer_id":52348692889898,"sku":"CULTIV8-TUBE-240W","price":94.95,"currency_code":"AUD","in_stock":true},{"title":"300W","offer_id":52348692922666,"sku":"CULTIV8-TUBE-300W","price":99.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/1573\/3290\/files\/Tube-Heaters-by-Cultiv8-IP55-Grow-Room-Heat-Bars-60W-to-300W.png?v=1787636002","url":"https:\/\/www.thegrowguys.com.au\/products\/cultiv8-tube-heater","provider":"The Grow Guys","version":"1.0","type":"link"}