{"product_id":"avert-terp-fresh-humidity-indicator-card","title":"Humidity Indicator Card by Avert — Terp Fresh Colour-Change RH Reader","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;\"\u003eThe Avert Terp Fresh Humidity Indicator Card is a passive colour-change RH reader for jars, storage containers, and curing setups. Drop one in, give it a few hours, and the inner circle shifts colour to match a relative humidity reading on the outer chart. No batteries, no calibration, no fuss. Designed to pair with Avert Terp Fresh 2-way humidity packs — the pack controls, the card confirms.\u003c\/p\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;\"\u003eInstant Colour-Change Reading\u003c\/strong\u003e\n    \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eInner circle shifts colour with the current relative humidity. Match it to the outer chart and you have your RH at a glance.\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;\"\u003ePairs With Terp Fresh Packs\u003c\/strong\u003e\n    \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eUse it alongside Avert Terp Fresh 14g, 28g or 460g humidity packs. The card tells you the pack is doing its job — or that it's time to replace.\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;\"\u003eCompact, Jar-Friendly Format\u003c\/strong\u003e\n    \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eSmall enough to drop into a small jar without taking up space. No power, no hardware — just lay it inside and close the lid.\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;\"\u003eSingle or Bulk\u003c\/strong\u003e\n    \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eBuy one to test your setup, or a 10 or 50 pack to put one in every jar. Bulk pricing built in.\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; margin-bottom: 2rem; font-size: 0.95rem;\"\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Passive colour-change indicator card\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eReading Format:\u003c\/strong\u003e Inner circle vs outer colour chart\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e None — no battery, no calibration\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eDesigned For:\u003c\/strong\u003e Curing jars, storage containers, sealed environments\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003ePairs With:\u003c\/strong\u003e Avert Terp Fresh 14g \/ 28g \/ 460g\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eReusable:\u003c\/strong\u003e Yes — reads continuously while exposed to air\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003ePack Sizes:\u003c\/strong\u003e Single, 10 pack, or 50 pack\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Replace when colour change becomes sluggish or stuck\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f9a825; padding: 1rem 1.3rem; border-radius: 6px; margin-bottom: 2rem;\"\u003e\n  \u003cstrong style=\"color: #e65100; display: block; margin-bottom: 0.5rem;\"\u003eGROWER TIP — WHAT THESE CARDS DO AND DON'T DO\u003c\/strong\u003e\n  \u003cul style=\"margin: 0 0 0 1.2rem; padding: 0; font-size: 0.93rem; line-height: 1.7;\"\u003e\n    \u003cli\u003eThis is a reader, not a controller. It tells you the current RH. To actually \u003cem\u003ehold\u003c\/em\u003e a target RH, pair it with an Avert Terp Fresh humidity pack.\u003c\/li\u003e\n    \u003cli\u003eGive the card a few hours to equilibrate after sealing the container. A reading taken seconds after the lid closes won't reflect the steady-state RH.\u003c\/li\u003e\n    \u003cli\u003eCards eventually lose responsiveness. If the colour stays stuck or doesn't shift when conditions change, replace it. That's why we sell them in 10 and 50 packs.\u003c\/li\u003e\n    \u003cli\u003eHeat and direct sunlight throw the reading off. Read the card at room temperature, away from light, for the most accurate result.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eHow to Use\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 2rem;\"\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\n    \u003cdiv\u003e\n\u003cstrong\u003eDrop one card into your storage container.\u003c\/strong\u003e Jar, tub, sealed bag — anywhere you want to read RH. Add a Terp Fresh humidity pack at the same time if you want to control the RH, not just measure it.\u003c\/div\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\n    \u003cdiv\u003e\n\u003cstrong\u003eSeal the container and wait.\u003c\/strong\u003e Give it a few hours for the air inside to equilibrate and the indicator to settle. Overnight is best for a first reading.\u003c\/div\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;\"\u003e3\u003c\/span\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eMatch the inner circle to the outer chart.\u003c\/strong\u003e The closest colour match is your current RH. Re-check whenever you want — no reset needed.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003ePairs Well With\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n  \u003ca href=\"\/products\/avert-terp-fresh-14g-humidity-pack\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n    \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eAvert Terp Fresh 14g\u003c\/strong\u003e\n    \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003e2-way humidity pack sized for small jars. Pair one with each indicator card to hold a steady 62% RH.\u003c\/p\u003e\n  \u003c\/a\u003e\n  \u003ca href=\"\/products\/avert-terp-fresh-28g-humidity-pack\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n    \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eAvert Terp Fresh 28g\u003c\/strong\u003e\n    \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eQuarter-jar humidity pack — the workhorse size for serious curing setups. Pair with one card per jar.\u003c\/p\u003e\n  \u003c\/a\u003e\n  \u003ca href=\"\/products\/avert-terp-fresh-460g-bulk-humidity-pack\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n    \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eAvert Terp Fresh 460g\u003c\/strong\u003e\n    \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eBulk-bin humidity pack for pound-scale storage. One card lets you monitor the whole bin at a glance.\u003c\/p\u003e\n  \u003c\/a\u003e\n  \u003ca href=\"\/collections\/avert-all\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n    \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eFull Avert Range\u003c\/strong\u003e\n    \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eCarbon-lined smell-proof bags, foil-fresh storage and the full Terp Fresh humidity range — same brand, every part of the workflow.\u003c\/p\u003e\n  \u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n  \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes the card control humidity, or just measure it?\u003c\/summary\u003e\n  \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eIt measures only. The card is a passive indicator — it reads the current RH inside your container and tells you what it is. To actively hold a target RH (e.g. 62%), pair it with an Avert Terp Fresh humidity pack.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n  \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow long does each card last?\u003c\/summary\u003e\n  \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eIt depends on conditions, but expect months of reliable reading in a steady environment. Replace the card if the colour stops shifting in response to RH changes — that's why we sell 10 and 50 packs.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n  \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow accurate is the reading?\u003c\/summary\u003e\n  \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eGood enough for curing and storage decisions, not lab-grade. Cards give you the current RH within a reasonable band — accurate enough to know whether you're at 55%, 62%, or 70%. For precision monitoring, use a digital hygrometer alongside.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n  \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eCan I put more than one card in a single jar?\u003c\/summary\u003e\n  \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes, but there's no benefit. The cards read the same air, so one is enough per sealed container. The 10 and 50 packs are sized for running multiple jars or replacing cards as they age, not stacking them.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n  \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes this ship free?\u003c\/summary\u003e\n  \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes — free shipping over $499* applies. The indicator cards are small and light, so they ship standard parcel with no bulky-item surcharge.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdiv style=\"margin: 1.5rem 0 0;\"\u003e\n  \u003cp style=\"font-size: 0.95rem; font-weight: 700; margin-bottom: 0.75rem; color: #1a1a1a;\"\u003eSelect Pack 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=\"51559464468778\" class=\"tgg-size-btn-indicator\" 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;\"\u003e1 Pack\u003c\/button\u003e\n    \u003cbutton data-variant-id=\"51559464501546\" class=\"tgg-size-btn-indicator\" 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;\"\u003e10 Pack\u003c\/button\u003e\n    \u003cbutton data-variant-id=\"51559464534314\" class=\"tgg-size-btn-indicator\" 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;\"\u003e50 Pack\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: 2rem;\"\u003e\n  \u003ch2 style=\"color: #fff !important; margin: 0 0 0.5rem; font-size: 1.3rem;\"\u003eRead It. Know It. Hold It.\u003c\/h2\u003e\n  \u003cp style=\"color: #aed1ae !important; margin: 0 0 1.5rem; font-size: 0.95rem;\"\u003eColour-change RH reading for every jar — pair with Terp Fresh packs to hold the line.\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\/avert-all\" 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;\"\u003eSee Full Avert Range\u003c\/a\u003e\n  \u003c\/div\u003e\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 = '51559464468778';\n\n  var sizeBtns = document.querySelectorAll('.tgg-size-btn-indicator');\n  sizeBtns.forEach(function(b) {\n    b.addEventListener('click', function() {\n      selectedVariantId = this.getAttribute('data-variant-id');\n      sizeBtns.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\n\n\u003c\/div\u003e","brand":"Avert","offers":[{"title":"1 Pack","offer_id":51559464468778,"sku":"AVT-HUM-INDICATOR-1","price":1.5,"currency_code":"AUD","in_stock":false},{"title":"10 Pack","offer_id":51559464501546,"sku":"AVT-HUM-INDICATOR-10","price":13.5,"currency_code":"AUD","in_stock":false},{"title":"50 Pack","offer_id":51559464534314,"sku":"AVT-HUM-INDICATOR-50","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/1573\/3290\/files\/Humidity-Indicator-Card-by-Avert-Terp-Fresh-Colour-Change-RH-Reader.jpg?v=1779606501","url":"https:\/\/www.thegrowguys.com.au\/products\/avert-terp-fresh-humidity-indicator-card","provider":"The Grow Guys","version":"1.0","type":"link"}