Water Soluble Potassium
Extremely pure water soluble potassium fertilizers for fertigation, foliar and hydroponics!
Custom Hydro specializes in stocking the purest most soluble fertilizer materials available anywhere. We have Haifa SOP 0-0-52 greenhouse grade sulfate of potash. Protassium 3 IX the purest potassium sulfate on the market. We also stock Haifa RECI potassium nitrate, the only potassium nitrate to guarantee an ultra-LOW maximum sodium content. This potassium nitrate is perfect for closed loop hydroponic systems. Our wide selection also includes MKP 0-52-34, PeKacid 0-60-20, MagPhos 0-55-18, Potassium Chloride 0-0-61 and Potassium Silicate fertilizers.
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