If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro Hard water. If your water contains 30 to 50 ppm Calcium, you can mix our original Flora Micro with Flora Micro Hard water to create a perfect Micro blend for your plants. Use with FloraBloom and FloraGro.
*Special Order 2.5gal: contact us for current pricing :)