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.
General Hydroponics GH1516 Indicator Fertilizer 8 Ounce Purple ph Test Strips Natural
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General Hydroponics GH1516 Indicator Fertilizer 8 Ounce Purple ph Test Strips Natural
- SKU:
- P228754
- UPC:
- 793094015165
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.
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