General Hydroponics GH1516 Indicator Fertilizer, 8-Ounce, Purple ph-test-strips, natural

Description

Price: $15.99
(as of Apr 18, 2023 09:05:46 UTC – Details)

Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution.
Add a few drops of pH Test Indicator
Observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution