{"product_id":"oreq-4-way-pool-water-test-kit-tk400","title":"Oreq 4-Way Pool Water Test Kit | TK400","description":"\u003cp data-start=\"2098\" data-end=\"2788\"\u003eThe Oreq 4-Way Test Kit TK400 provides essential tools for maintaining balanced pool and spa water, offering testing for pH, chlorine or bromine, acid demand, and total alkalinity. Produced to Oreq’s established standards for accurate field testing, it includes a clear Lucite test block with distinct color indicators and matching reagent solutions. The kit is housed in a compact storage case that keeps components organized and protected for routine use. With clear instructions and dependable color matching, the TK400 helps users maintain proper water chemistry, supporting safe swimming and consistent system performance across a variety of water conditions.\u003c\/p\u003e\n\u003ch3 data-start=\"2790\" data-end=\"2804\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"2805\" data-end=\"3538\"\u003e\n\u003cli data-start=\"2805\" data-end=\"2963\"\u003e\n\u003cp data-start=\"2807\" data-end=\"2963\"\u003e\u003cstrong data-start=\"2807\" data-end=\"2836\"\u003eFour-Key Chemistry Tests:\u003c\/strong\u003e Allows users to check pH, chlorine or bromine, acid demand, and total alkalinity for comprehensive water balance monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2964\" data-end=\"3107\"\u003e\n\u003cp data-start=\"2966\" data-end=\"3107\"\u003e\u003cstrong data-start=\"2966\" data-end=\"2994\"\u003eClear Visual Test Block:\u003c\/strong\u003e Lucite test cell offers straightforward color scaling for dependable comparisons and accurate reading results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3108\" data-end=\"3245\"\u003e\n\u003cp data-start=\"3110\" data-end=\"3245\"\u003e\u003cstrong data-start=\"3110\" data-end=\"3139\"\u003eProtective Case Included:\u003c\/strong\u003e Keeps reagents and testing components stored neatly, supporting portability and long-term organization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3246\" data-end=\"3397\"\u003e\n\u003cp data-start=\"3248\" data-end=\"3397\"\u003e\u003cstrong data-start=\"3248\" data-end=\"3275\"\u003eSimple Testing Process:\u003c\/strong\u003e Instruction materials guide users step by step, helping ensure consistent accuracy even for those new to water testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3398\" data-end=\"3538\"\u003e\n\u003cp data-start=\"3400\" data-end=\"3538\"\u003e\u003cstrong data-start=\"3400\" data-end=\"3432\"\u003eReliable Oreq Manufacturing:\u003c\/strong\u003e Backed by Pool Pals quality standards, offering trusted performance for ongoing pool and spa maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"4736\" data-end=\"4755\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"4756\" data-end=\"4977\"\u003eThis FAQ helps online customers understand what the Oreq TK400 tests, how easy it is to use, and what to expect when it arrives from SOSPool.com. It also explains how to evaluate readings before adjusting water chemistry.\u003c\/p\u003e\n\u003ch2 data-start=\"4979\" data-end=\"5039\"\u003eParameter Coverage, Color Standards \u0026amp; Water-Care Accuracy\u003c\/h2\u003e\n\u003cp data-start=\"5040\" data-end=\"5117\"\u003eThese answers help confirm whether the kit fits the needs of online shoppers.\u003c\/p\u003e\n\u003ch4 data-start=\"5119\" data-end=\"5166\"\u003eWhat chemistry levels does the TK400 test?\u003c\/h4\u003e\n\u003cp data-start=\"5167\" data-end=\"5296\"\u003eIt measures pH, total alkalinity, chlorine or bromine, and acid demand—four essential parameters for balanced pool and spa water.\u003c\/p\u003e\n\u003ch4 data-start=\"5298\" data-end=\"5337\"\u003eHow clear are the color standards?\u003c\/h4\u003e\n\u003cp data-start=\"5338\" data-end=\"5458\"\u003eThe Lucite test cell uses crisp color blocks that produce easy-to-read comparisons when the sample is held at eye level.\u003c\/p\u003e\n\u003ch4 data-start=\"5460\" data-end=\"5507\"\u003eIs this kit suitable for everyday testing?\u003c\/h4\u003e\n\u003cp data-start=\"5508\" data-end=\"5613\"\u003eYes. The TK400 is designed for routine home use and supports consistent monitoring throughout the season.\u003c\/p\u003e\n\u003ch2 data-start=\"5615\" data-end=\"5667\"\u003eHow to Test, Reagent Care \u0026amp; Result Interpretation\u003c\/h2\u003e\n\u003cp data-start=\"5668\" data-end=\"5755\"\u003eThese answers help online buyers understand the testing process before the kit arrives.\u003c\/p\u003e\n\u003ch4 data-start=\"5757\" data-end=\"5795\"\u003eHow often should I perform tests?\u003c\/h4\u003e\n\u003cp data-start=\"5796\" data-end=\"5909\"\u003eTwo to three times weekly is typical for most pools, with additional checks during hot days or high swimmer load.\u003c\/p\u003e\n\u003ch4 data-start=\"5911\" data-end=\"5960\"\u003eWhat is the purpose of the acid-demand test?\u003c\/h4\u003e\n\u003cp data-start=\"5961\" data-end=\"6052\"\u003eIt helps determine the amount of acid needed to lower pH safely, avoiding excess treatment.\u003c\/p\u003e\n\u003ch4 data-start=\"6054\" data-end=\"6104\"\u003eHow do I get long-term accuracy from the kit?\u003c\/h4\u003e\n\u003cp data-start=\"6105\" data-end=\"6191\"\u003eStore reagents in a cool area and replace them annually to maintain reliable readings.\u003c\/p\u003e\n\u003ch2 data-start=\"6193\" data-end=\"6242\"\u003eShipping, Arrival Inspection \u0026amp; Getting Started\u003c\/h2\u003e\n\u003cp data-start=\"6243\" data-end=\"6326\"\u003eThese details help SOSPool.com customers prepare for use once the kit is delivered.\u003c\/p\u003e\n\u003ch4 data-start=\"6328\" data-end=\"6372\"\u003eHow is the TK400 packaged for shipping?\u003c\/h4\u003e\n\u003cp data-start=\"6373\" data-end=\"6479\"\u003eIt arrives in a secure storage case with cushioning to protect the test block and reagents during transit.\u003c\/p\u003e\n\u003ch4 data-start=\"6481\" data-end=\"6527\"\u003eWhat should I check when the kit arrives?\u003c\/h4\u003e\n\u003cp data-start=\"6528\" data-end=\"6631\"\u003eEnsure the reagent bottles are sealed, the test block is intact, and the instruction sheet is included.\u003c\/p\u003e\n\u003ch4 data-start=\"6633\" data-end=\"6674\"\u003eIs the kit ready to use immediately?\u003c\/h4\u003e\n\u003cp data-start=\"6675\" data-end=\"6762\"\u003eYes. Once opened, you can begin testing water right away using the included directions.\u003c\/p\u003e","brand":"Oreq","offers":[{"title":"Default Title","offer_id":52360679555372,"sku":"TK400","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/1943\/3260\/files\/Oreq4-WayPoolWaterTestKitTK400DiscountPoolMart_8.jpg?v=1766078710","url":"https:\/\/www.sospool.com\/products\/oreq-4-way-pool-water-test-kit-tk400","provider":"SOS Pool \u0026 Spa Supplies","version":"1.0","type":"link"}