{"product_id":"cation-resin-25-liter-bag","title":"Cation Resin 25 liter Bag","description":"\u003ch3 data-start=\"523\" data-end=\"563\"\u003eWhat Is the Cation Resin \u003ca href=\"https:\/\/puritech.co.za\/product-category\/filtration-media\/\"\u003eMedia\u003c\/a\u003e?\u003c\/h3\u003e \u003cp data-start=\"565\" data-end=\"841\"\u003eThis \u003cstrong data-start=\"570\" data-end=\"595\"\u003ecation resin 25 L bag\u003c\/strong\u003e from Puritech is a strong-acid cation exchange resin designed for water softening. It removes hardness minerals — like calcium and magnesium — from water by exchanging them for sodium ions, thereby reducing scaling and improving water quality.\u003c\/p\u003e \u003cp data-start=\"843\" data-end=\"1168\"\u003eWhen water flows through the resin beads, the positively charged hardness ions (Ca²⁺, Mg²⁺) swap places with sodium ions (Na⁺) that the resin originally holds. After the resin becomes “loaded” with hardness ions, it regenerates using a salt (brine) solution, restoring its sodium form.\u003c\/p\u003e \u003ch3 data-start=\"1175\" data-end=\"1226\"\u003eTechnical Specifications \u0026amp; Operating Conditions\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"1230\" data-end=\"1335\"\u003e\n\u003cstrong data-start=\"1230\" data-end=\"1245\"\u003eResin Type:\u003c\/strong\u003e Strong-acid cation resin (styrene–divinylbenzene)\u003c\/li\u003e \u003cli data-start=\"1338\" data-end=\"1420\"\u003e\n\u003cstrong data-start=\"1338\" data-end=\"1367\"\u003eIonic Form (As Supplied):\u003c\/strong\u003e Sodium (Na⁺)\u003c\/li\u003e \u003cli data-start=\"1423\" data-end=\"1535\"\u003e\n\u003cstrong data-start=\"1423\" data-end=\"1451\"\u003eTotal Exchange Capacity:\u003c\/strong\u003e ≈ 2.0 meq\/mL (typical for softening resins)\u003c\/li\u003e \u003cli data-start=\"1538\" data-end=\"1625\"\u003e\n\u003cstrong data-start=\"1538\" data-end=\"1577\"\u003eWater Retention (Moisture Content):\u003c\/strong\u003e ~43–48%\u003c\/li\u003e \u003cli data-start=\"1628\" data-end=\"1741\"\u003e\n\u003cstrong data-start=\"1628\" data-end=\"1649\"\u003eBead Size \/ Mesh:\u003c\/strong\u003e ~16‑40 mesh (US standard) per typical cation resins\u003c\/li\u003e \u003cli data-start=\"1744\" data-end=\"1850\"\u003e\n\u003cstrong data-start=\"1744\" data-end=\"1766\"\u003ePolymer Structure:\u003c\/strong\u003e Polystyrene crosslinked with divinylbenzene\u003c\/li\u003e \u003cli data-start=\"1853\" data-end=\"1967\"\u003e\n\u003cstrong data-start=\"1853\" data-end=\"1876\"\u003epH Operating Range:\u003c\/strong\u003e ~0 – 14 (resin is chemically stable over broad pH)\u003c\/li\u003e \u003cli data-start=\"1970\" data-end=\"2087\"\u003e\n\u003cstrong data-start=\"1970\" data-end=\"1999\"\u003eRecommended Regeneration:\u003c\/strong\u003e Use 5–7% NaCl (salt) solution for regeneration.\u003c\/li\u003e \u003cli data-start=\"2090\" data-end=\"2201\"\u003e\n\u003cstrong data-start=\"2090\" data-end=\"2128\"\u003eRegeneration Flow Rate Suggestion:\u003c\/strong\u003e 2–8 BV\/h (based on spec sheet)\u003c\/li\u003e \u003cli data-start=\"2204\" data-end=\"2312\"\u003e\n\u003cstrong data-start=\"2204\" data-end=\"2226\"\u003eRegeneration Time:\u003c\/strong\u003e About 30 min with recommended concentration\u003c\/li\u003e \u003cli data-start=\"2315\" data-end=\"2428\"\u003e\n\u003cstrong data-start=\"2315\" data-end=\"2344\"\u003eRinse After Regeneration:\u003c\/strong\u003e 4–8 BV (bed volumes) of rinse recommended\u003c\/li\u003e \u003cli data-start=\"2431\" data-end=\"2532\"\u003e\n\u003cstrong data-start=\"2431\" data-end=\"2449\"\u003eResin Density:\u003c\/strong\u003e ~800–850 g\/L (bulk) per Puritech’s spec.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"2539\" data-end=\"2555\"\u003eHow It Works\u003c\/h3\u003e \u003col\u003e \u003cli data-start=\"2560\" data-end=\"2716\"\u003e\n\u003cstrong data-start=\"2560\" data-end=\"2577\"\u003eService Mode:\u003c\/strong\u003e Water containing calcium and magnesium ions passes through the resin bed. These hardness ions displace sodium ions from the resin beads.\u003c\/li\u003e \u003cli data-start=\"2720\" data-end=\"2851\"\u003e\n\u003cstrong data-start=\"2720\" data-end=\"2737\"\u003eIon Exchange:\u003c\/strong\u003e The resin traps the hardness ions while releasing sodium ions into the water, reducing hardness in the process.\u003c\/li\u003e \u003cli data-start=\"2855\" data-end=\"3053\"\u003e\n\u003cstrong data-start=\"2855\" data-end=\"2872\"\u003eRegeneration:\u003c\/strong\u003e After usage, a brine solution (salt water) flushes through the resin. The high salt concentration forces the hardness ions off the resin and replaces them with sodium ions again.\u003c\/li\u003e \u003cli data-start=\"3057\" data-end=\"3178\"\u003e\n\u003cstrong data-start=\"3057\" data-end=\"3067\"\u003eRinse:\u003c\/strong\u003e After the brine, a rinse flush removes excess salt and waste, preparing the resin for another softening cycle.\u003c\/li\u003e \u003c\/ol\u003e \u003ch3 data-start=\"3185\" data-end=\"3197\"\u003eBenefits\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"3201\" data-end=\"3283\"\u003e\n\u003cstrong data-start=\"3201\" data-end=\"3225\"\u003eEffective Softening:\u003c\/strong\u003e Reduces calcium and magnesium to prevent scale buildup.\u003c\/li\u003e \u003cli data-start=\"3286\" data-end=\"3386\"\u003e\n\u003cstrong data-start=\"3286\" data-end=\"3302\"\u003eRegenerable:\u003c\/strong\u003e Resin can be reused multiple times with brine solution, making it cost-effective.\u003c\/li\u003e \u003cli data-start=\"3389\" data-end=\"3465\"\u003e\n\u003cstrong data-start=\"3389\" data-end=\"3403\"\u003eLong Life:\u003c\/strong\u003e High-capacity resin means fewer bed replacements over time.\u003c\/li\u003e \u003cli data-start=\"3468\" data-end=\"3588\"\u003e\n\u003cstrong data-start=\"3468\" data-end=\"3501\"\u003eImproves Appliance Longevity:\u003c\/strong\u003e Helps protect water-using appliances (geyser, kettle, dishwasher) from scale damage.\u003c\/li\u003e \u003cli data-start=\"3591\" data-end=\"3663\"\u003e\n\u003cstrong data-start=\"3591\" data-end=\"3608\"\u003eFlexible Use:\u003c\/strong\u003e Compatible with a range of softener tanks and systems.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"3670\" data-end=\"3692\"\u003eIdeal Applications\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"3696\" data-end=\"3745\"\u003eHome water softeners for residential hard water\u003c\/li\u003e \u003cli data-start=\"3748\" data-end=\"3805\"\u003eCommercial softening systems (restaurants, laundromats)\u003c\/li\u003e \u003cli data-start=\"3808\" data-end=\"3863\"\u003eIndustrial water treatment where scaling is a problem\u003c\/li\u003e \u003cli data-start=\"3866\" data-end=\"3919\"\u003eRO pre-treatment to protect membranes from hardness\u003c\/li\u003e \u003cli data-start=\"3922\" data-end=\"3974\"\u003eHigh-flow softening systems using large resin beds\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"3981\" data-end=\"4009\"\u003eUsage \u0026amp; Maintenance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"4013\" data-end=\"4103\"\u003e\n\u003cstrong data-start=\"4013\" data-end=\"4031\"\u003eInitial Rinse:\u003c\/strong\u003e When first installed, rinse the resin to remove any fines before use.\u003c\/li\u003e \u003cli data-start=\"4106\" data-end=\"4225\"\u003e\n\u003cstrong data-start=\"4106\" data-end=\"4129\"\u003eBrine Regeneration:\u003c\/strong\u003e Use the correct salt concentration (5–7% NaCl) and ensure full contact time (approx. 30 min).\u003c\/li\u003e \u003cli data-start=\"4228\" data-end=\"4311\"\u003e\n\u003cstrong data-start=\"4228\" data-end=\"4257\"\u003eRinse After Regeneration:\u003c\/strong\u003e Perform a slow and fast rinse to clear excess salt.\u003c\/li\u003e \u003cli data-start=\"4314\" data-end=\"4416\"\u003e\n\u003cstrong data-start=\"4314\" data-end=\"4335\"\u003eMonitor Hardness:\u003c\/strong\u003e Check water hardness periodically to confirm the softener is working properly.\u003c\/li\u003e \u003cli data-start=\"4419\" data-end=\"4561\"\u003e\n\u003cstrong data-start=\"4419\" data-end=\"4443\"\u003eReplace When Needed:\u003c\/strong\u003e Over time, the resin’s capacity declines. Replace the resin when it no longer softens effectively after regeneration.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Monster Mechanical","offers":[{"title":"Default","offer_id":45115705819205,"sku":"FM-CAT","price":1656.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8627\/7445\/files\/cation-resin-water-softening-media.jpg?v=1780903247","url":"https:\/\/www.monstermechanical.co.za\/products\/cation-resin-25-liter-bag","provider":"Monster Mechanical","version":"1.0","type":"link"}