GH Hardwater Flora Micro Quart (12/Cs) – General Hydroponics

Description

If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro Hardwater. If your water contains 30 to 50 ppm calcium, you can mix our original FloraMicro with FloraMicro Hardwater to create a perfect Micro blend for your plants.