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General Hydroponics pH Test Indicator 8 oz
- $8.61
- $10.76
Product Details
- Brand: General Hydroponics
- Product Code: GH1516
- Availability: In Stock
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 5 mL of solution.
