Natural Chemistry Phosphate Test Kits are a simple precise way to monitor your pool's phosphate level. Includes one testing kit with two, 50 sets of test strips and one testing vial. Tracking phosphate accumulation helps to keep your pool free of algae and your water crystal clear all season long. Compare your test strip to the supplied colour chart for a simple diagnostic reading. Note: these test strips have passed their November, 2023 expiry dates. All sales are final.

Features:

• Reads from 100 - 5000 ppb
• Contains 100 test strips and one test vial
• Diagnostic colour chart included