{"title":"Potassium Carbonate","description":"\u003cp\u003ePotassium carbonate sesquihydrate (K₂CO₃·1.5H₂O) is a fertilizer-grade, fully water-soluble dry pH-up agent supplying 57% soluble potash (K₂O). Available in 1, 4, 20, and 50 lb. sizes for hydroponic and fertigation applications.\u003c\/p\u003e","products":[{"product_id":"potassium-carbonate-50lb","title":"DCAD Plus Potassium Carbonate 0-0-57 | 50 lb","description":"\u003cp\u003eArm \u0026amp; Hammer DCAD Plus potassium carbonate sesquihydrate (K₂CO₃·1.5H₂O) is a fertilizer-grade, fully water-soluble powder used to raise pH in hydroponic and fertigation systems. Supplying \u003cstrong\u003e57% soluble potash (K₂O)\u003c\/strong\u003e, it is the preferred dry pH-up agent for professional growers who need precise, repeatable pH correction without introducing agronomically harmful ions. The 50 lb. size is ideal for large commercial greenhouse and fertigation operations.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Potassium Carbonate for pH Up?\u003c\/h2\u003e\n\u003cp\u003eUnlike sodium-based pH adjusters, potassium carbonate contributes potassium — a primary macronutrient — directly to your nutrient solution. Every dose of pH correction is also a dose of K, making it the most crop-friendly dry pH-up available for recirculating and run-to-waste systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Arm \u0026amp; Hammer DCAD Plus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e K₂CO₃·1.5H₂O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFertilizer Grade:\u003c\/strong\u003e 0-0-57\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoluble Potash (K₂O):\u003c\/strong\u003e 57%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Fine white powder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubility:\u003c\/strong\u003e Fully water soluble\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Fertilizer grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 50 lb.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilding pH-up stock concentrates for fertilizer injector systems\u003c\/li\u003e\n  \u003cli\u003eCorrecting pH drift in large recirculating hydroponic systems\u003c\/li\u003e\n  \u003cli\u003eAquaponic pH management\u003c\/li\u003e\n  \u003cli\u003eLarge-scale commercial greenhouse and fertigation operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways add powder slowly to cold water — never add water to powder\u003c\/li\u003e\n  \u003cli\u003ePrepare as a stock concentrate; do not dose dry product directly into the reservoir\u003c\/li\u003e\n  \u003cli\u003eTitrate in small increments and allow system to equilibrate before re-testing\u003c\/li\u003e\n  \u003cli\u003eWear gloves and eye protection when handling\u003c\/li\u003e\n  \u003cli\u003eAccount for potassium contribution in your nutrient balance at high correction volumes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cp\u003eMild alkaline irritant. Wear nitrile gloves and safety glasses. Keep dry and store in a sealed container away from moisture. Not classified as hazardous material for shipping.\u003c\/p\u003e","brand":"Arm \u0026 Hammer","offers":[{"title":"Default Title","offer_id":42225712791636,"sku":"AH-DCAD+50LB.","price":96.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/potassium_carbonate_50lb.jpg?v=1752679641"},{"product_id":"potassium-carbonate-20lb","title":"Potassium Carbonate 0-0-57 | 20 lb","description":"\u003cp\u003ePotassium carbonate sesquihydrate (K₂CO₃·1.5H₂O) is a fertilizer-grade, fully water-soluble powder used to raise pH in hydroponic and fertigation systems. Supplying \u003cstrong\u003e57% soluble potash (K₂O)\u003c\/strong\u003e, it is the preferred dry pH-up agent for professional growers who need precise, repeatable pH correction without introducing agronomically harmful ions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Potassium Carbonate for pH Up?\u003c\/h2\u003e\n\u003cp\u003eUnlike sodium-based pH adjusters, potassium carbonate contributes potassium — a primary macronutrient — directly to your nutrient solution. Every dose of pH correction is also a dose of K, making it the most crop-friendly dry pH-up available for recirculating and run-to-waste systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e K₂CO₃·1.5H₂O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFertilizer Grade:\u003c\/strong\u003e 0-0-57\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoluble Potash (K₂O):\u003c\/strong\u003e 57%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Fine white powder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubility:\u003c\/strong\u003e Fully water soluble\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Fertilizer grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 20 lb.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilding pH-up stock concentrates for fertilizer injector systems\u003c\/li\u003e\n  \u003cli\u003eCorrecting pH drift in recirculating hydroponic systems\u003c\/li\u003e\n  \u003cli\u003eAquaponic pH management\u003c\/li\u003e\n  \u003cli\u003eMid-size commercial operations with regular pH correction needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways add powder slowly to cold water — never add water to powder\u003c\/li\u003e\n  \u003cli\u003ePrepare as a stock concentrate; do not dose dry product directly into the reservoir\u003c\/li\u003e\n  \u003cli\u003eTitrate in small increments and allow system to equilibrate before re-testing\u003c\/li\u003e\n  \u003cli\u003eWear gloves and eye protection when handling\u003c\/li\u003e\n  \u003cli\u003eAccount for potassium contribution in your nutrient balance at high correction volumes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cp\u003eMild alkaline irritant. Wear nitrile gloves and safety glasses. Keep dry and store in a sealed container away from moisture. Not classified as hazardous material for shipping.\u003c\/p\u003e","brand":"Arm \u0026 Hammer","offers":[{"title":"Default Title","offer_id":42225712922708,"sku":"AH-DCAD+20LB.","price":77.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/2_gallon_bucket_20_pound_image_potassium_carbonate.jpg?v=1752679643"},{"product_id":"arm-hammer-dcad-plus-potassium-carbonate-4lb","title":"Potassium Carbonate 0-0-57 | 4 lb","description":"\u003cp\u003ePotassium carbonate sesquihydrate (K₂CO₃·1.5H₂O) is a fertilizer-grade, fully water-soluble powder used to raise pH in hydroponic and fertigation systems. Supplying \u003cstrong\u003e57% soluble potash (K₂O)\u003c\/strong\u003e, it is the preferred dry pH-up agent for professional growers who need precise, repeatable pH correction without introducing agronomically harmful ions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Potassium Carbonate for pH Up?\u003c\/h2\u003e\n\u003cp\u003eUnlike sodium-based pH adjusters, potassium carbonate contributes potassium — a primary macronutrient — directly to your nutrient solution. Every dose of pH correction is also a dose of K, making it the most crop-friendly dry pH-up available for recirculating and run-to-waste systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e K₂CO₃·1.5H₂O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFertilizer Grade:\u003c\/strong\u003e 0-0-57\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoluble Potash (K₂O):\u003c\/strong\u003e 57%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Fine white powder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubility:\u003c\/strong\u003e Fully water soluble\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Fertilizer grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 4 lb.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilding pH-up stock concentrates for fertilizer injector systems\u003c\/li\u003e\n  \u003cli\u003eCorrecting pH drift in recirculating hydroponic systems\u003c\/li\u003e\n  \u003cli\u003eAquaponic pH management\u003c\/li\u003e\n  \u003cli\u003eCommercial stock tank and bench-top nutrient solution preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways add powder slowly to cold water — never add water to powder\u003c\/li\u003e\n  \u003cli\u003ePrepare as a stock concentrate; do not dose dry product directly into the reservoir\u003c\/li\u003e\n  \u003cli\u003eTitrate in small increments and allow system to equilibrate before re-testing\u003c\/li\u003e\n  \u003cli\u003eWear gloves and eye protection when handling\u003c\/li\u003e\n  \u003cli\u003eAccount for potassium contribution in your nutrient balance at high correction volumes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cp\u003eMild alkaline irritant. Wear nitrile gloves and safety glasses. Keep dry and store in a sealed container away from moisture. Not classified as hazardous material for shipping.\u003c\/p\u003e","brand":"Custom Hydro","offers":[{"title":"Default Title","offer_id":42225712955476,"sku":"AH-DCAD+4LB.","price":23.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/four_pound_short_jar_image_potassium_carbonate.jpg?v=1752679644"},{"product_id":"potassium-carbonate-1lb","title":"Potassium Carbonate 0-0-57 | 1 lb","description":"\u003cp\u003ePotassium carbonate sesquihydrate (K₂CO₃·1.5H₂O) is a fertilizer-grade, fully water-soluble powder used to raise pH in hydroponic and fertigation systems. Supplying \u003cstrong\u003e57% soluble potash (K₂O)\u003c\/strong\u003e, it is the preferred dry pH-up agent for professional growers who need precise, repeatable pH correction without introducing agronomically harmful ions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Potassium Carbonate for pH Up?\u003c\/h2\u003e\n\u003cp\u003eUnlike sodium-based pH adjusters, potassium carbonate contributes potassium — a primary macronutrient — directly to your nutrient solution. Every dose of pH correction is also a dose of K, making it the most crop-friendly dry pH-up available for recirculating and run-to-waste systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e K₂CO₃·1.5H₂O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFertilizer Grade:\u003c\/strong\u003e 0-0-57\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoluble Potash (K₂O):\u003c\/strong\u003e 57%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Fine white powder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubility:\u003c\/strong\u003e Fully water soluble\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Fertilizer grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 1 lb.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilding pH-up stock concentrates for fertilizer injector systems\u003c\/li\u003e\n  \u003cli\u003eCorrecting pH drift in recirculating hydroponic systems\u003c\/li\u003e\n  \u003cli\u003eAquaponic pH management\u003c\/li\u003e\n  \u003cli\u003eSmall-scale and bench-top nutrient solution preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways add powder slowly to cold water — never add water to powder\u003c\/li\u003e\n  \u003cli\u003ePrepare as a stock concentrate; do not dose dry product directly into the reservoir\u003c\/li\u003e\n  \u003cli\u003eTitrate in small increments and allow system to equilibrate before re-testing\u003c\/li\u003e\n  \u003cli\u003eWear gloves and eye protection when handling\u003c\/li\u003e\n  \u003cli\u003eAccount for potassium contribution in your nutrient balance at high correction volumes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cp\u003eMild alkaline irritant. Wear nitrile gloves and safety glasses. Keep dry and store in a sealed container away from moisture. Not classified as hazardous material for shipping.\u003c\/p\u003e","brand":"Custom Hydro","offers":[{"title":"Default Title","offer_id":42225712988244,"sku":"AH-DCAD+1LB.","price":10.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/one_pound_short_jar_image_potassium_carbonate.jpg?v=1752679645"}],"url":"https:\/\/customhydronutrients.com\/collections\/potassium-carbonate-1.oembed","provider":"Custom Hydro","version":"1.0","type":"link"}