Hanna Instruments HI 713-25 Phosphate Reagents - 2 Pack, Total 50 Tests For HI 713 Checker HC

Running low on reagents for your Hanna HI 713 phosphate checker? This two-pack gives you 50 total tests, so you're set for a while. The reagents come in pre-measured powder packets, making testing quick and consistent—just add to your water sample and use your checker. They're manufactured with high-purity chemicals and clearly marked with lot numbers and expiration dates for quality traceability.

Perfect for aquarium owners, pool maintenance, or environmental testing. Keeping phosphate levels in check helps prevent algae growth and maintains water quality. Always store reagents in a cool, dry place and use before the expiration date. Reliable, easy-to-use refills from a trusted brand in water testing.