Veddelholzer 3-in-1 Pool Test Strips (150 pieces) Measure pH Value, Free Chlorine & Alkalinity Fast Water Analysis for Pool, Hot Tub Spa

✅3-in-1 WATER ANALYSIS Reliably measures pH level, free chlorine, and alkalinity in a single test – for hygienically clean and optimally balanced pool and spa water. ✅ EXTRA-LARGE 150-COUNT VALUE PACK 150 test strips for long-lasting use – ideal for the entire swimming season and regular water checks without needing to restock. ✅ WATERPROOF COLOR CHART FOR ON-THE-GO USE Extra laminated color scale – splash-proof, durable, and perfect for use directly at the pool or while traveling. ✅ QUICK & EASY APPLICATION Simply dip the test strip briefly, wait 15 seconds, and compare colors – results in seconds, no lab or app required. ✅ SUITABLE FOR POOL, SPA & HOT TUB Universally applicable for above-ground pools, in-ground pools, and hot tubs – also compatible with saltwater pools.