Pool owners, this Taylor hardness reagent is exactly what you need to keep your water chemistry perfect! This 2-ounce dropper bottle is a refill for testing calcium hardness levels in your pool or spa - super important for preventing scale buildup and equipment damage. Made right here in the USA by Taylor, who's been the water testing experts since 1930. The instructions are written in plain English with easy-to-follow pictograms, so you don't need to be a chemist to use it properly. Just add the recommended drops to your water sample and compare the color change - it's that simple. Since test reagents need replacing annually (they lose effectiveness over time), this refill extends the life of your test kit without buying a whole new one. Works with most Taylor test kits and gives you professional-grade accuracy that pool service companies use. Whether you're a new pool owner or seasoned pro, having fresh reagents means you're getting reliable readings to keep your water balanced and safe. The quality is consistently excellent - Taylor doesn't cut corners. Seriously, if you want to avoid costly pool problems down the road, regular hardness testing with fresh reagents is some of the cheapest insurance you can buy. Your pool equipment will thank you!
Free 30-day returns 
Free 30-day returns
