GH Hardwater Flora Micro® 5 - 0 - 1

  • $21.95

General Hydroponics FloraMicro® Hardwater is specifically formulated for hard water conditions. Recommended for use if your water source is over 200 ppm (or contains calcium above 70 ppm).

If your water contains 30 to 50 ppm calcium, you can mix the original FloraMicro® with FloraMicro® Hardwater to create a perfect blend for your plants.