{"product_id":"flairform-ph-down","title":"pH Down by Flairform — Organic Citric Acid pH Adjuster","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;\"\u003eFlairform pH Down is an organic citric acid solution (500g\/L) for lowering nutrient pH in hydro, coco and soil. It solves the long-standing safety and handling problems of regular pH downs — much safer to use than phosphoric or nitric acid, more environmentally friendly, and classified as a non-dangerous good with no special freight, handling or storage requirements. The go-to pH down for organic growers. Available in 250ml and 1L.\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;\"\u003eOrganic Formulation\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003e500g\/L citric acid — the pH down to reach for if you're growing organically, and biodegradable per the safety data sheet.\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;\"\u003eSafer Than Mineral Acids\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eMuch safer to handle than the phosphoric or nitric acid in regular pH downs, and more environmentally friendly.\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;\"\u003eNon-Dangerous Good\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eNot subject to ADR, IATA or IMDG codes — ships like any normal parcel with no HazMat fees or special storage.\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;\"\u003eHydro, Coco and Soil\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eOne adjuster covers every substrate — lower reservoir or feed-water pH wherever you grow.\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\u003eBrand:\u003c\/strong\u003e Flairform\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 250ml and 1L\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eActive:\u003c\/strong\u003e Citric acid, 500g\/L (50% w\/v)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFormulation:\u003c\/strong\u003e Organic, biodegradable\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSuits:\u003c\/strong\u003e Hydro, coco and soil\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFreight class:\u003c\/strong\u003e Non-dangerous good (no ADR\/IATA\/IMDG)\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;\"\u003eGrow Guys Tip — Beat the pH Creep\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\u003eIf your pH continuously rises — the most common trend — adjust down to about 5.0 at each correction instead of 5.8. That gives you a much larger safety margin before pH drifts too high again.\u003c\/li\u003e\n\u003cli\u003eNever let pH sit high for long: the precipitate that forms usually won't re-dissolve, and those nutrients are lost to your plants.\u003c\/li\u003e\n\u003cli\u003eCitric acid is a gentler acid, so you may use a little more than you would with phosphoric-based downs — the trade is far safer handling. Still wear gloves and eye protection; it's a concentrate.\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\u003cdiv\u003eStir the nutrient well, then test with a calibrated pH meter or test kit from a clean sampling container.\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\u003cdiv\u003eIf pH is above target, add a small dose of pH Down to the reservoir — never directly onto plants.\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;\"\u003e3\u003c\/span\u003e\u003cdiv\u003eMix thoroughly, wait a few minutes, then re-test. Repeat in small doses until you're on target — if pH tends to creep up, aim for about 5.0.\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;\"\u003e4\u003c\/span\u003e\u003cdiv\u003eRe-check pH when nutrient is first mixed, after top-ups or additives, and daily in recirculating systems.\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\/flairform-ph-up\" 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;\"\u003eFlairform pH Up\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eThe other half of the pair — for when you overshoot or your water runs acidic.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/flairform-ph-buffer-7\" 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;\"\u003eFlairform pH Buffer 7.0\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eA pH adjuster is only as good as the meter reading it follows — keep yours calibrated.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/ph-control-calibration-ph-ec\" 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;\"\u003epH Control \u0026amp; Calibration\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eBuffers, storage solutions and standards — everything for dialled-in nutrient pH.\u003c\/p\u003e\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\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 this pH Down suitable for organic growing?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. Flairform pH Down uses an organic citric acid formulation rather than the phosphoric or nitric acid found in regular pH downs, and it's biodegradable — the standard choice for organic growers who need to lower nutrient pH.\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;\"\u003eHow is it safer than regular pH Down?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eRegular pH downs are phosphoric or nitric acid — strong mineral acids with HazMat classification and serious burn risk. Citric acid is much safer to handle and more environmentally friendly, and the product ships as a non-dangerous good with no special freight requirements.\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;\"\u003eWill I need to use more than a mineral acid pH Down?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003ePossibly. Citric acid is a gentler acid, so you may use a little more solution than you would with a phosphoric-based product — the trade-off is far safer handling and storage. Dose gradually and re-test as you go.\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 still need careful handling?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. It's still a concentrated acid (around pH 1.7 in the bottle) and the safety data sheet lists it as an eye and skin irritant, so gloves and eye protection are sensible. Safer than mineral acids, not harmless.\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;\"\u003eWhat pH should I adjust my nutrient to?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eMost hydro and coco growers run 5.5–6.5. If your pH continuously rises between checks — the most common trend — Flairform recommends adjusting down to about 5.0 at each correction to give yourself a bigger safety margin than, say, 5.8.\u003c\/p\u003e\u003c\/details\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;\"\u003eThe Organic Way to Bring pH Down\u003c\/h2\u003e\n\u003cp style=\"color: #aed1ae !important; margin: 0 0 1.5rem; font-size: 0.95rem;\"\u003eCitric acid strength without the mineral acid risk. Free shipping over $499*.\u003c\/p\u003e\n\u003cdiv style=\"margin: 0 0 1.5rem;\"\u003e\n\u003cp style=\"font-size: 0.95rem; font-weight: 700; margin-bottom: 0.75rem; color: #fff;\"\u003eSelect Size\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap;\"\u003e\n\u003cbutton data-variant-id=\"52071721500970\" class=\"tgg-size-btn-ff-phdown\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #fff; border-radius: 6px; background: #fff; color: #1c3a1c; font-size: 0.95rem; font-weight: 700; cursor: pointer;\"\u003e250ml — $12.95\u003c\/button\u003e\n\u003cbutton data-variant-id=\"52071721533738\" class=\"tgg-size-btn-ff-phdown\" style=\"padding: 0.6rem 1.4rem; border: 2px solid #fff; border-radius: 6px; background: transparent; color: #fff; font-size: 0.95rem; font-weight: 600; cursor: pointer;\"\u003e1L — $24.95\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\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\/ph-control-calibration-ph-ec\" 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 pH Control\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 = '52071721500970';\n\n  var sizeBtns = document.querySelectorAll('.tgg-size-btn-ff-phdown');\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 = 'transparent';\n        ob.style.color = '#fff';\n        ob.style.fontWeight = '600';\n      });\n      this.style.background = '#fff';\n      this.style.color = '#1c3a1c';\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":"Flairform","offers":[{"title":"250ml","offer_id":52071721500970,"sku":"FF-PHC-DOWN-250","price":12.95,"currency_code":"AUD","in_stock":true},{"title":"1L","offer_id":52071721533738,"sku":"FF-PHC-DOWN-1L","price":24.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/1573\/3290\/files\/8306-Ph-Down-250ml.png?v=1783921358","url":"https:\/\/www.thegrowguys.com.au\/products\/flairform-ph-down","provider":"The Grow Guys","version":"1.0","type":"link"}