Tessenderlo Kerley CaTs Calcium Thiosulfate 30 Gallon | Soluble Ca + S 2 x 2 Grow Room LED Hydro Fits the 21 L CVault:

Fits the 21 L CVault: The replacement pack for the largest CVault

Does not contribute nutritional value like other adjusters

Featuring KDF85 media

It plugs straight into the GXi driver connection

Tessenderlo Kerley CaTs Calcium Thiosulfate 30 Gallon | Soluble Ca + S 2 x 2 Grow Room LED Hydro Fits the 21 L CVault:Tessenderlo Kerley CaTs: Soluble Calcium Thiosulfate Liquid Fertilizer (30 Gallon) Tessenderlo Kerley CaTs (30 Gallon) is a soluble calcium thiosulfate liquid fertilizer carrying 10% calcium and 10% sulfur in a clear, chloride free solution. The thiosulfate form matters because it keeps the calcium fully soluble in solution and bypasses the binding issues that make gypsum and calcium nitrate problematic in certain irrigation contexts. Calcium is non