Meters & Solutions

The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.

Measures indoor/outdoor temperature & indoor humidity. Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidity. Switch between C and F. Clock function with 12/24 hour time format. Waterproof temperature probe. Comes with 1...

Technaflora's pH Up and pH Down enable the gardener to moderate and maintain optimum pH levels. The pH scale is a measure that describes the relative acidity or alkalinity of a solution or medium. Both pH-balancing aids are manufactured using the...

Technaflora's pH Up and pH Down enable the gardener to moderate and maintain optimum pH levels. The pH scale is a measure that describes the relative acidity or alkalinity of a solution or medium. Both pH-balancing aids are manufactured using the...

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical...

The perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab Multimedia pH Meter and Bluelab Leap pH Probe to take fast, accurate measurements in nutrient solution, soil, coco coir,...

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...

Introducing Pulse, a new innovation designed and made in NZ by Bluelab. Easily check moisture, conductivity (a measure of the nutrient salts present in the media) and temperature directly from the root zone or in nutrient a solution. Check, correct and...

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...

Luster Leaf Rapitest pH Test

Luster Leaf Rapitest Electronic Soil Tester

Luster Leaf Rapitest 3-Way Digital Analyzer