PH and EC / PPM

Luster Leaf Mini Soil pH Tester

CYCO pH Up raises the total pH value of the made nutrient solution.

CYCO pH Down lowers the total pH value of the made nutrient solution.

Hades Down is a pH adjusting liquid used to lower the pH of your nutrient solution. Hades Down chelates elements in the nutrient solution into stable, slow releasing forms which are easier for plants to absorb. Providing readily absorbed natural...

Hades Down is a pH adjusting liquid used to lower the pH of your nutrient solution. Hades Down chelates elements in the nutrient solution into stable, slow releasing forms which are easier for plants to absorb. Providing readily absorbed natural...

Hades Down is a pH adjusting liquid used to lower the pH of your nutrient solution. Hades Down chelates elements in the nutrient solution into stable, slow releasing forms which are easier for plants to absorb. Providing readily absorbed natural...

Hades Down is a pH adjusting liquid used to lower the pH of your nutrient solution. Hades Down chelates elements in the nutrient solution into stable, slow releasing forms which are easier for plants to absorb. Providing readily absorbed natural...

Olympus Up is the Nectar for the Gods pH up product. Most gardeners know to adjust the pH of their nutrient solution before use. By using liquid calcium as a pH adjusting component, you will add more calcium to your plants' cell structure, promoting cell...

Olympus Up is the Nectar for the Gods pH up product. Most gardeners know to adjust the pH of their nutrient solution before use. By using liquid calcium as a pH adjusting component, you will add more calcium to your plants' cell structure, promoting cell...

Olympus Up is the Nectar for the Gods pH up product. Most gardeners know to adjust the pH of their nutrient solution before use. By using liquid calcium as a pH adjusting component, you will add more calcium to your plants' cell structure, promoting cell...

OBSOLETE

General Hydroponics Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium...