{"product_id":"robelle-pool-ph-up-powder-20-lb-sodium-carbonate-formula-for-fast-stable-ph-adjustment","title":"Robelle Pool pH Up Powder 20 lb — Sodium Carbonate Formula for Fast, Stable pH Adjustment","description":"\u003cp\u003e\u003cstrong\u003eRobelle 20-Pound Premium pH Up is a sodium carbonate formula designed to safely raise and stabilize the pH of swimming pool water.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping pool pH in the recommended range is essential for swimmer comfort, chemical effectiveness, and protecting pool surfaces and equipment. Robelle's 20-pound pH Up comes as a concentrated powder intended for measured, controlled additions to pools. Follow label directions and a reliable test kit to correct low pH and maintain the ideal 7.4–7.6 range.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use Robelle pH Up to correct low pH?\u003c\/h3\u003e\n\n\u003cp\u003eTest your pool water first using a trustworthy test kit. If the pH reads 7.2 or below, calculate the dose from the included chart, pre-dissolve the required amount in a plastic pail with water, then pour slowly around the pool perimeter while the pump runs. Allow the circulation system to run for at least one hour before retesting and repeating if necessary.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTest pH before treatment and aim for 7.4–7.6.\u003c\/li\u003e\n  \u003cli\u003ePre-dissolve in a plastic bucket to avoid granular drifting into filters.\u003c\/li\u003e\n  \u003cli\u003ePour solution slowly around the pool while circulation is on.\u003c\/li\u003e\n  \u003cli\u003eWait one hour then retest; repeat until desired pH is reached.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the safety and handling steps for this 20-pound container?\u003c\/h3\u003e\n\n\u003cp\u003eHandle sodium carbonate with basic protective measures: avoid inhalation and contact with skin or eyes. Use gloves and eye protection when measuring and dissolving the powder, and never mix with acids or other chemicals directly. Store the bag in a cool, dry place and keep it out of reach of children.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWear gloves and goggles during mixing and application.\u003c\/li\u003e\n  \u003cli\u003ePre-dissolve in plastic, not metal, containers.\u003c\/li\u003e\n  \u003cli\u003eDo not mix with chlorine tablets or concentrated acids.\u003c\/li\u003e\n  \u003cli\u003eStore sealed in a dry environment to prevent caking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly will pool chemistry respond and what should I expect afterward?\u003c\/h3\u003e\n\n\u003cp\u003epH typically begins to rise within an hour after adding properly dosed, dissolved Robelle pH Up while the circulation system runs. Retest after one hour and repeat treatment only as necessary to reach 7.4–7.6. Stabilizing total alkalinity may also be required for sustained pH control.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003epH changes are detectable within an hour of treatment.\u003c\/li\u003e\n  \u003cli\u003eMultiple small additions are safer than one large dose.\u003c\/li\u003e\n  \u003cli\u003eCheck alkalinity—if low, it can cause the pH to swing.\u003c\/li\u003e\n  \u003cli\u003eRegular testing maintains water balance and chemical efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product affect pool surfaces or equipment?\u003c\/h3\u003e\n\n\u003cp\u003eUsed as directed, sodium carbonate helps prevent corrosive low-pH conditions that can etch plaster, corrode metal fittings, and degrade liners. Raising pH into the recommended range reduces the risk of surface damage and improves sanitizer performance. Always follow dosing instructions and ensure proper dilution before adding to the pool.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePrevents etching and surface erosion caused by low pH.\u003c\/li\u003e\n  \u003cli\u003eHelps protect metal fixtures and pool equipment.\u003c\/li\u003e\n  \u003cli\u003eImproves effectiveness of chlorine and other sanitizers.\u003c\/li\u003e\n  \u003cli\u003eUse correct dilution to avoid local high-concentration spots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Robelle 20-Pound Premium pH Up is intended for pool owners, service professionals, and facility managers who need a dependable, concentrated pH increaser for medium to large pools. It’s suited to those who perform regular testing and want a cost-effective solution for correcting low pH and protecting surfaces and equipment. If you prefer ready-to-use sticks or liquid pH adjusters, consider alternatives, but for bulk dosing and long-term maintenance, this product provides strong value and control.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much Robelle pH Up do I add to my pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Refer to the included dosing chart based on pool volume and current pH; pre-dissolve measured amounts and add gradually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I add the powder directly to the pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — pre-dissolve in a plastic pail and pour around the perimeter while the pump runs to avoid concentrated spots.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Robelle","offers":[{"title":"Default Title","offer_id":56832078414164,"sku":"B01N5WCYV9","price":95.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/robelle-ph-up-front-packaging.jpg?v=1787022571","url":"https:\/\/gardenluxe.co.uk\/products\/robelle-pool-ph-up-powder-20-lb-sodium-carbonate-formula-for-fast-stable-ph-adjustment","provider":"Gardenluxe Uk","version":"1.0","type":"link"}