Healthy Ponds
Healthy Ponds 5-in-1 Pond Test Strips, Model# 10126
The quick, easy, accurate way to test your pond for unhealthy conditions that can promote algae growth and harm fish. Contains 70 test strips; each strip tests 5 critical properties: pH balance, alkalinity, nitrate level, nitrite level and water hardness. U.S.A.
Merchant: Northern Tool