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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
    5200 NW 43RD STREET
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Free GLA Substrate Fertilizer Capsules - promotion added to cart with orders $200+

Calcium Sulfate (CaSO4) Aquarium Fertilizer - 1lb Bag

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Calcium Sulfate CaSO4 - DIY Aquarium Plant Fertilizer

  • 1lb/bag
  • provides Calcium (Ca) and Sulfur (S) to plants, vital macronutrients
  • raises general hardness (GH) in soft water
  • Calcium Sulfate (CaSO4), DIY Aquarium Plant Fertilizer, is vital to cell structure, enzymes, nitrogen conversion and absorption.
  • Calcium regulates nutrient transport into the plant and nutrient retention. Deficiency manifests as plant stunting, inward leaf curling toward veins/center, defective or rotting root system.
  • aids in cell structure and growth, photosynthesis, plant structure and growth, nitrogen conversion and absorption, and enzyme activator

Deficiency Symptoms: dwarfed deformed growth, necrotic curled new leaves, blackened stubby roots, reduced leaf growth, leaf tip burn

Guaranteed Analysis:

  • CaSO4.2H2O
  • Calcium Sulfate Dihydrate (CaSO4.2H2O) - 97%

  • Calcium(Ca) - 22.5%
  • Sulfur(S) - 18.0%

How to dose Calcium Sulfate CaSO4 in your planted aquarium

Learn everything you need to know about aquarium plant fertilizer, plant nutrients, optimal nutrient levels, and diy fertilizer dosing methods: Dry Fertilizer Calculator and Fertilizing Methods

Expect an increase of 1ppm Ca per every 163 milligrams (equivalent to less than 1/32 tsp + 1/64 tsp) CaSO4.2H2O added to your 10gal aquarium to yield:

  • Ca - 1ppm
  • S - 0.8ppm
  • dGH - 0.14

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