API® Nitrate Test Kit — 90 Tests Dream Pond This is essential for proper

This is essential for proper use of ionizers

Both are heavy and sink down into muck directly where applied

in-line check valve

and the main body is constructed of cast aluminum alloy

8" 29lb Manual Maintenance

API® Nitrate Test Kit — 90 Tests Dream Pond This is essential for properAPI 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