HydroLogic Float Valve - 1/2 inch Barbed Growers House Essentials and Ph Test Indicator (fill

and Ph Test Indicator (fill a test-tube halfway with nutrient

and are eco-friendly and non-toxic

Long-term drift is under 2% per year

provided as nitrates

Tank-mix is compatible with other fertilizers and soil amendments for easy integration into existing feeding programs

HydroLogic Float Valve - 1/2 inch Barbed Growers House Essentials and Ph Test Indicator (fill1 2" barbed connection. Adjustable water level and can be mounted horizontally or vertically. Allows you to fill any tank or reservoir unattended never flood your garden again! All plastic and stainless steel materials. Better than brass and fully adjustable.