Compare Quick view General Hydroponics FloraMicro Hardwater 6 Gallons General Hydroponics MSRP: $170.00 Now: $135.95 Was: FLORAMICRO HARDWATER (5-0-1): 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... MSRP: $170.00 Now: $135.95 Was: Compare Quick view Qty in Cart: 0 Price: MSRP: $170.00 Now: $135.95 Was: Subtotal:
