As phosphate increases so does the chance of having unsightly algae and green water blooms. * For fresh & salt water * Tests phosphate levels from 0 to 10mg/L or parts per million (ppm) Approximately 150 Tests. 2 Bottle Kit.
As phosphate increases so does the chance of having unsightly algae and green water blooms. * For fresh & salt water * Tests phosphate levels from 0 to 10mg/L or parts per million (ppm) Approximately 150 Tests. 2 Bottle Kit.