This handy kit is included with our larger garden systems. A simple measurement of nutrient solution will give pH accuracy within .5. Includes a color scale, test vial and indicator solution.
Hydrofarm is the nation's oldest and largest manufacturer of hydroponics equipment and
grow lights. You can find their products in hundreds of stores and catalogs across North America.
Their systems incorporate only premium quality components, and the professional-grade hydroponics and UL-listed lighting fixtures will give you years of dependable service.
On the market since 1977, Hydrofarm brand products are the choice of more indoor gardeners and gardening retailers than all other brands combined.