TK400 | Oreq 4-Way Pool Water Test Kit Raypak heater PC control board holding it in place while

holding it in place while the cleaner operates

Designed for Pentair Niches: Specifically engineered for small stainless steel niches in Pentair lighting systems

Durable & Chemical-Resistant: Built to withstand long-term exposure to pool chemicals

Apply 16 fl oz for every 10

TK400 | Oreq 4-Way Pool Water Test Kit Raypak heater PC control board holding it in place whileThe Oreq 4 Way Test Kit (TK400) is a complete water testing solution designed for pool and spa owners who require reliable, routine checks of key chemistry levels. This kit allows you to test pH, chlorine or bromine, acid demand, and total alkalinity using a clear, easy read test block and included reagentsall packaged in a convenient storage case. With simple instructions and accurate color standards, this kit supports regular maintenance to keep