Phosphate HR (PO ) measurement. (PPHR)

Reagents for Pool LAB - PoolWaterLAB - Water Tester - Phosphate-HR-N°1 + Phosphate-HR-N°2, 50 powder-pillows + 50 Tablets

20ml luer lock syringe for filter-ad.

50 × 24mm GF/C filter papers - 50 tests

Adapter for filter papers