Compatible Model Universal
UPC 0793094000000
Brand General Hydroponics
Type pH Up
Item Height 1qt.
Color BLUE,ORANGE,GREEN
Model 722080
MPN 722080
Features Outdoor Use
Item Weight 1.5lbs.

Check the listing for details. General Hydroponics pH Test Color Match Control Kit Garden Meter. Color: BLUE,ORANGE,GREEN, Condition: New. Listed at 27.84 USD. Contains Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level), and Ph Test Indicator (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).

$19.49
$27.84