{ "page_type": "product", "item_group_id": "DPD-REAGENT", "language": "en", "name": "Astralpool Dpd Reagent Tablets For Poolstester Checkit And Poolscheck", "category": "Pool & Spa > Pool Maintenance > Water Analysis", "category_path": "pool-spa/pool-maintenance/water-analysis", "category_ids": [ 3, 8, 38 ], "brand": "AstralPool", "seller": "LordsWorld", "seller_country": "IT", "currency": "EUR", "tax_included": true, "canonical_url": "https://lordsworld.eu/en/water-analysis/dpd-reagent-tablets-pooltester-checkits-and-pool-check/", "parent_type": "configurable", "summary": "Accurate pool water analysis starts with the right reagents. These rapid-dissolving tablets — DPD No. 1, No. 3, No. 4, and Phenol Red — offer unmatched reliability and compliance for precise chlorine, oxygen, and pH measurements. Trusted by professionals using Pooltester, Checkit, and Pool Check systems, they ensure clear, safe water with every test.\nWhat Are DPD & Phenol Red Rapid Tablets?\nThese are premium-grade reagent tablets designed for colorimetric analysis of pool and spa water using Pooltester, Checkit, and Pool Check kits. Whether you need to assess free chlorine, total chlorine, solid oxygen, or pH levels, each tablet offers rapid dissolution, long shelf life, and ISO-certified accuracy. Ideal for residential and commercial pool maintenance.", "description": "Key Benefits\n\nRapid Dissolution: Tablets dissolve quickly for immediate colorimetric readings.\nLong-Term Shelf Stability: Minimum guaranteed shelf life of 10 years.\nHigh Precision: Accurate dosing in tablet form eliminates measurement errors.\nCertified Quality: Conforms to UNE-ISO 17381 for water testing reagents.\nUniversal Compatibility: Specifically formulated for use with Pooltester, Checkit, and Pool Check devices.\nSafe & Easy to Handle: Compact blister packaging with green pattern backing for easy identification.\n\nMain Functions\nEach reagent tablet performs a specific water testing function:\n\nDPD No. 1 Rapid: Measures free chlorine levels.\nDPD No. 3 Rapid: Measures total chlorine (free + combined).\nDPD No. 4 Rapid: Designed for solid oxygen disinfectant measurement.\nPhenol Red Rapid: Measures pH levels accurately between 6.8–8.2.\n\nTechnical Features\n\nTablet Form: Crystalline white tablets in green-pattern foil sheets\nPackaging: 250 tablets per box\nUsage: Chemical analysis only, not for any other purpose\nStandard: Conforms to UNE-ISO 17381\nCompatibility: Pooltester, Checkit, Pool Check\nSafety: Child-resistant packaging, poison center contact included\n\nHow to Use It\n\nFill your Pooltester or Checkit with a water sample.\nInsert the appropriate reagent tablet (DPD 1, 3, 4, or Phenol Red).\nClose and shake gently until the tablet dissolves fully.\nCompare the resulting color with the reference scale to determine values.\n\nWhy Choose This Product?\nWhen water quality matters, precision is essential. These reagent tablets offer consistent, laboratory-grade performance in a user-friendly form. With 10-year guaranteed longevity and certified manufacturing, they are the gold standard for routine pool testing.\nSafety, Storage & Eco Info\n\nStorage: Store in a cool, dry place in original packaging.\nDisposal: Dispose of used materials according to local regulations.\nWarnings: Do not ingest. Keep out of reach of children. Only for water testing.\nEmergency Contact: Poison Center Berlin: +49 30 30686 790\n\nFAQs\nCan these tablets be used with any test kit?No, they are specifically made for Pooltester, Checkit, and Pool Check kits only.\nDo the tablets expire?Yes, but they are guaranteed for at least 10 years from the production date if stored correctly.\nWhat if my chlorine levels are above 10 mg/l?High free chlorine can bleach the DPD color, giving inaccurate results. Dilution is recommended.\nDo pH readings vary with alkalinity?Yes, low total alkalinity can skew pH results. Always monitor both values.\nWhy Shop with LordsWorld\n\nOfficial distributor of certified pool testing reagents\nFast EU shipping and tracked delivery options\nSecure payments and expert customer service\nOriginal products with full compliance documentation\n\nSupport & Bulk Orders\nNeed help selecting the right reagent or ordering in bulk? Contact us here for personalized assistance.\nAvailable Variants\n\n14638 – DPD Nº 1 Rapid (250 tablets): For free chlorine\n14639 – DPD Nº 3 Rapid (250 tablets): For total chlorine\n21573 – DPD Nº 4 Rapid (250 tablets): For solid oxygen\n14640 – Phenol Red Rapid (250 tablets): For pH measurement\n\nLegal Note\nCompliant with UNE-ISO 17381 standards for reagent quality and performance in water testing. Product is for analytical use only.\nKey Characteristics\n\nTablet Type:Rapid-dissolving reagent tablets\nCompatibility:Pooltester, Checkit, Pool Check\nFormulation:N-Diethyl-phenylenediamine base (DPD)\nUsage:Free/Total Chlorine, Solid Oxygen, pH\nShelf Life:10 years minimum\nCertification:UNE-ISO 17381\nPack Size:250 tablets", "rules": { "return_window": 14, "age_group": "adult", "age_restriction": 18, "search_enabled": true, "checkout_enabled": true }, "variants": [ { "id": "21573-ANALISI", "gtin": "0652733778987", "condition": "new", "price": 16.14, "currency": "EUR", "availability": "in_stock", "inventory": 5, "weight": 2, "dimensions": { "length": 11, "width": 6, "height": 6 }, "delivery_estimate": "3-5 Days", "shipping_rates": [], "links": { "product": "https://lordsworld.eu/en/water-analysis/dpd-reagent-tablets-pooltester-checkits-and-pool-check/268", "image": "https://lordsworld.eu/1014-large_default/dpd-reagent-tablets-pooltester-checkits-and-pool-check.jpg", "additional_images": [] } }, { "id": "14639-ANALISI", "gtin": "0652733225337", "condition": "new", "price": 16.14, "currency": "EUR", "availability": "in_stock", "inventory": 712, "weight": 2, "dimensions": { "length": 11, "width": 6, "height": 6 }, "delivery_estimate": "3-5 Days", "shipping_rates": [], "links": { "product": "https://lordsworld.eu/en/water-analysis/dpd-reagent-tablets-pooltester-checkits-and-pool-check/269", "image": "https://lordsworld.eu/1014-large_default/dpd-reagent-tablets-pooltester-checkits-and-pool-check.jpg", "additional_images": [] } }, { "id": "14640-ANALISI", "gtin": "0652733275172", "condition": "new", "price": 16.14, "currency": "EUR", "availability": "in_stock", "inventory": 20850, "weight": 2, "dimensions": { "length": 11, "width": 6, "height": 6 }, "delivery_estimate": "3-5 Days", "shipping_rates": [], "links": { "product": "https://lordsworld.eu/en/water-analysis/dpd-reagent-tablets-pooltester-checkits-and-pool-check/270", "image": "https://lordsworld.eu/1014-large_default/dpd-reagent-tablets-pooltester-checkits-and-pool-check.jpg", "additional_images": [] } }, { "id": "14638-ANALISI", "gtin": "0652733723727", "condition": "new", "price": 16.14, "currency": "EUR", "availability": "in_stock", "inventory": 15629, "weight": 2, "dimensions": { "length": 11, "width": 6, "height": 6 }, "delivery_estimate": "3-5 Days", "shipping_rates": [], "links": { "product": "https://lordsworld.eu/en/water-analysis/dpd-reagent-tablets-pooltester-checkits-and-pool-check/267", "image": "https://lordsworld.eu/1014-large_default/dpd-reagent-tablets-pooltester-checkits-and-pool-check.jpg", "additional_images": [] } } ] }