API® Nitrate Test Kit — 90 Tests Dream Pond Both are heavy and sink

Both are heavy and sink down into muck directly where applied

8" 29lb Manual Maintenance

Can be used in ponds containing salt

in-line check valve

Shake well before use

API® Nitrate Test Kit — 90 Tests Dream Pond Both are heavy and sinkAPI Nitrate Test Kits quickly and accurately measure the nitrate level from 0 ppm to 160 ppm. High nitrate levels indicate a build up of fish waste and organic compounds, resulting in poor water quality and algae growth. Maintaining a low nitrate level improves the health of fish and invertebrates. Includes 2 bottles of test reagent, 2 color cards, glass test tube with cap, and easy to follow instructions For use in fresh and salt water Makes 90 tests