Description
GLA Calcium Sulfate – CaSO₄·2H₂O (Bag)
22.5% Calcium + 18% Sulfur – DIY GH Booster for Planted Aquariums
GLA Calcium Sulfate is a high-purity dry fertilizer that provides essential calcium (Ca) and sulfur (S) for aquatic plant health and development. Supplied as calcium sulfate dihydrate (CaSO₄·2H₂O), it’s ideal for raising general hardness (GH) in soft water aquariums without adding nitrate or phosphate.
Calcium plays a central role in regulating nutrient transport and retention, supporting strong cell structure and enzymatic function. Sulfur contributes to chlorophyll production and amino acid synthesis. Together, these macronutrients aid in robust root and leaf development.
Includes:
- GLA Calcium Sulfate – 1 lb Bag
Common Uses:
- Raise GH without affecting nitrate or potassium levels
- Supply Ca and S in low-mineral or RO/DI water setups
- Correct calcium deficiency and improve nutrient uptake
- Promote healthy roots, leaf structure, and growth patterns
Guaranteed Analysis:
- Calcium (Ca): 22.5%
- Sulfur (S): 18.0%
Derived From: Calcium Sulfate Dihydrate Gypsum (CAS 10101-41-4)
? Learn about GH/KH balance, deficiency symptoms, and nutrient roles:
greenleafaquariums.com/ferts
Customer Reviews
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Dissolves Rapidly
Product is a fine white powder almost like flour. It goes immediately into suspension and then dissolves rapidly. The CaSO4 (gypsum) that I bought at the garden store just formed a gray lump, this product is 100% better.
