{"product_id":"growmax-replacement-membrane-for-power-grow-500","title":"GrowMax Power Grow 500 RO Replacement Membrane","description":"\u003ch2\u003eRestore Clean Water to Your Power Grow 500\u003c\/h2\u003e\u003cp\u003eThe replacement membrane for the \u003cstrong\u003eGrowMax Power Grow 500 RO filter\u003c\/strong\u003e, and the component that does the actual separating. It removes or reduces \u003cstrong\u003eup to 95% of all salts and heavy metals\u003c\/strong\u003e, taking hard mains water down to a clean, low-EC base. Membranes wear with use rather than time alone, and the \u003cstrong\u003eharder your water, the more often this will need replacing\u003c\/strong\u003e. A membrane past its best shows up as slower output, creeping EC and feed that no longer matches the chart. Fitting is a straightforward swap into the existing housing.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 95% removal\u003c\/strong\u003e of salts and heavy metals, restoring original performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement\u003c\/strong\u003e for the Power Grow 500 with no modification needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent low starting EC\u003c\/strong\u003e so nutrient ratios stay under your control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects your feed programme\u003c\/strong\u003e from the drift a tired membrane causes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtends the life of the unit\u003c\/strong\u003e, keeping a working filter in service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen Hard Water Undermines the Feed Chart\u003c\/h3\u003e\u003cp\u003eBackground calcium and magnesium in UK tap water take up nutrient headroom before you start, and the effects are familiar: lockout, poor nutrient uptake, slow growth and results that never match the schedule you are following. Rejection falls away gradually enough that most growers do not notice until the plants do. Replacing the membrane puts your starting water back to a known quantity.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTurn off and depressurise the supply before opening the housing\u003c\/li\u003e\n\u003cli\u003eInsert the replacement in the \u003cstrong\u003esame orientation\u003c\/strong\u003e, seals to the inlet\u003c\/li\u003e\n\u003cli\u003eReseal and \u003cstrong\u003eflush to waste\u003c\/strong\u003e before using the water on plants\u003c\/li\u003e\n\u003cli\u003eReplace \u003cstrong\u003emore frequently in hard water areas\u003c\/strong\u003e, where loading is faster\u003c\/li\u003e\n\u003cli\u003eKeep the pre-carbon stage fresh, as chlorine shortens membrane life\u003c\/li\u003e\n\u003cli\u003eMonitor output EC as your guide to the next change\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e GrowMax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Reverse osmosis replacement membrane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GrowMax Power Grow 500 RO filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoval rate:\u003c\/strong\u003e Up to 95% of salts and heavy metals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement guidance:\u003c\/strong\u003e More frequent changes required in hard water areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"GrowMax","offers":[{"title":"Default Title","offer_id":53446978535690,"sku":null,"price":237.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/growmax-membrane-500-high-flow_web.jpg?v=1785315727","url":"https:\/\/hydrocropshop.co.uk\/products\/growmax-replacement-membrane-for-power-grow-500","provider":"Hydro Crop Shop","version":"1.0","type":"link"}