Potassium Sulfate (Potash) - 50lb. bag Tissue & Water Analysis Use this jumper tube when

Use this jumper tube when connecting double layer poly film from roof to sidewall or end wall to allow pressurized air in both locations

both of which are toxic to your fish and beneficial bacteria

Fits Standard Flats & Systems: Designed to work with propagation trays and blocks used in hydroponic

Excellent Moisture RetentionBurlap fibers absorb and distribute water evenly across the growing surface

dispose of them and replace with new ones

Potassium Sulfate (Potash) - 50lb. bag Tissue & Water Analysis Use this jumper tube whenThis 50 lb. bag of potassium sulfate fertilizer is delivered free via UPS Shipping to the contiguous United States. Soluble Potash (K2O) .. 52% Sulfur (S) 18% Potassium sulfate SDS