Meters & Solutions

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

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...

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

Luster Leaf Mini Moisture Tester

LUSTER LEAF Mini 4-in-1 Tester

Luster Leaf Electronis 4-Way Analyzer

**This product CANNOT ship via UPS/Fedex. Please request another mode of shipping. Active Ingredient: Abamectin Miticide/insecticide for the control of spider mites, broad mites, cyclamen mites, thrips and leafminers in shadehouses, greenhouses, field...

This accessory incorporates a mounting fixture at the end of a telescopic wand extendable to 33 inches (84 cm) allowing the user to place Apogee sensors in hard to reach areas. The platform features two mounting holes to accommodate both our narrow and...