General Hydroponics PH Control Kit - 8oz

  • Sale
  • Regular price $28.99
Shipping calculated at checkout.

  • General Hydroponics pH control kit contains 8 ounce pH up, 8 ounce pH down, 1-ounce indicator, and a vial.
  • General Hydroponics pH control kit makes pH testing easy.
  • Simply 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.
  • Many growers prefer our pH test kit to expensive electronic meters because of its reliability and ease of use.