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.
- Tech Specs
Brand General Hydroponics SKU HGC722140 Weight (lb.) 0.7 Height (in.) 5.9 Prop 65 No Lead Time Ships in 7 Days Length (in.) 1.9 Width (in.) 1.9 UPC 793094015165 UL Listed No
Customer Reviews 1 item(s)
- PH adjuster
- Great product only adjuster I use