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Green Leaf Aquariums is a leading planted aquarium brand with 20 years industry expertise in: professional lifetime aquarium CO2 systems, the finest quality aquarium plant fertilizers, thriving aquarium plants & tissue cultures, and specializing in custom hardscape design

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  • Green Leaf Aquariums, LLC
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Free GLA Substrate Fertilizer Capsules - promotion added to cart with orders $200+

The Ultimate GH Booster - Raise GH of RO Water - 1lb Bag

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Ultimate GH Booster - Essential Minerals to Raise GH of RO Water

  • 1lb/bag
  • provides Potassium (K), Magnesium (Mg), Calcium (Ca), and Sulfur (S) to aquarium plants, essential macronutrients.
  • Our Ultimate GH Booster, increases general hardness of aquarium water, and provides potassium (K), Mg, Ca, and Sulfur (S) to plants.
  • use to raise general hardness (GH) in soft water or RO (reverse osmosis) water, and stabilize aquarium water pH.

Deficiency Symptoms: chlorosis, necrosis, distorted or curling leaves, stunted plant and root growth

Guaranteed Analysis:

  • Soluble Potash (K2O) - 22.3%
  • Calcium (Ca) - 9.64%
  • Magnesium (Mg) - 1.42%
  • Sulfur (S) - 17.29%

How to dose GH Booster in your planted aquarium

To raise GH by approximately 1 meq/L (3dH/dGH), add 16g (1 tbsp) per every 80L (20 gal) of RO or DI aquarium water, upon tank install or after water change. Target GH varies per tank, in general target GH is 1-2 meq/L (3-6 dH). A GH KH test kit should be used to verify the actual result achieved.

Your addition of 16 g (equivalent to approximately 3 tsp or 1 tbsp ) GLA GH Booster to your 20gal aquarium adds:

  • Ca 13 - 17ppm
  • Mg 5 - 7ppm
  • K 26 - 32ppm
  • S 29 - 35ppm
  • dGH 3 - 4

NOTE: The above values assume you are using distilled or RO water.

2 Reviews Hide Reviews Show Reviews

  • 5
    The Best

    Posted by Michael B on 28th Nov 2019

    I have been using GLA GH booster for several years. Very economical and simply the best.

  • 5
    Ultimate GH booster

    Posted by Mike on 12th Mar 2019

    Used a number of mixes for my RO starting out but have used this product for years now. consistent results and quality is consistent. Thanx GLAA

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