{"product_id":"canna-calmag","title":"CANNA Calmag","description":"\u003cp\u003eCANNA CalMag Agent is a water conditioner and pH stabiliser that adds balanced calcium and magnesium. It's there to fix the problem soft water creates, not to feed the plant.\u003c\/p\u003e\u003ch4\u003eWhat it's for\u003c\/h4\u003e\u003cp\u003eSoft water or reverse-osmosis water — specifically where your source water sits below EC 0.4. Primarily a coco-line product, since coco with RO water is where the calcium and magnesium shortfall bites hardest.\u003c\/p\u003e\u003ch4\u003eHow much to use\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eDose to a target, not to a fixed number.\u003c\/strong\u003e Add CalMag until your source water reaches \u003cstrong\u003eEC 0.4 mS\/cm\u003c\/strong\u003e. CANNA Australia give a typical range of \u003cstrong\u003e5–10ml per 10 litres\u003c\/strong\u003e, depending on water quality and what you're growing.\u003c\/p\u003e\u003cp\u003eIf your water is very poor, blend RO and tap water to around EC 0.2 first, then bring it up with CalMag.\u003c\/p\u003e\u003ch4\u003eWorth knowing — the bit people get wrong\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdd CalMag last\u003c\/strong\u003e, after your base nutrients and other additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe pH will drop first and then climb over the next 24–48 hours.\u003c\/strong\u003e Wait for it to settle before adjusting anything — chasing it with pH Up straight away is how people end up well over target.\u003c\/li\u003e\n\u003cli\u003eShake well before use. Store between 10–30°C, out of direct sun, away from heat and frost.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eOrdered in for you — allow 3–5 business days for processing, or collect from the Annerley shop.\u003c\/em\u003e\u003c\/p\u003e","brand":"CANNA","offers":[{"title":"1 Litre","offer_id":48313557057725,"sku":"ADDCAN085","price":65.0,"currency_code":"AUD","in_stock":true},{"title":"5 Litre","offer_id":48313557090493,"sku":"ADDCAN090","price":199.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/3271\/1613\/files\/ed4cb3c2-CANNA-Calmag-1L.jpg?v=1787544122","url":"https:\/\/fumersupplyco.com\/products\/canna-calmag","provider":"Fumer Supply Co","version":"1.0","type":"link"}