- Description
- Specifications
Bulk Calcium Nutrition for Commercial Operations
The 20 lb pail of Calcium Formate is built for commercial growers, greenhouse operations, and serious hobbyists who run high-frequency fertigation or foliar programs. At 30% calcium and 98% purity, it delivers a dense, nitrogen-free calcium source that scales efficiently — lower cost per application, fewer restocks, and consistent results across large canopies or multi-bench setups.
Why Calcium Formate?
- Zero Nitrogen — Stack calcium without affecting your N budget — critical during bloom, fruit development, and late-stage finishing
- 30% Ca, 98% Pure — High-assay formula maximizes calcium delivery per pound; ideal for high-volume mixing
- Fully Water-Soluble — Dissolves completely with no residue — safe for drip, NFT, DWC, and foliar systems
- No Chloride, No Sodium — Won't contribute to salt buildup in recirculating systems
- Resealable Pail — Keeps product dry and free-flowing; easy to scoop and measure at scale
Best For
Commercial calcium supplementation programs, large-scale tip burn and blossom end rot prevention, post-harvest firmness protocols, and custom fertilizer blending across vegetables, fruits, herbs, and specialty crop.
Application
Pre-dissolve in water before adding to main reservoir or spray tank. Compatible with most water-soluble fertilizers. Suitable for fertigation, foliar, and hydroponic systems. Refer to label for crop-specific rates and dilution guidelines.
Calcium Formate 30% Ca Fertilizer 20 lb
Calcium Formate 30% Ca Fertilizer 20 lb
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What Makes Us Different
At the leading edge of the market, Custom Hydro stands out by providing the growing industry with fertilizers that are not only of premium quality but also feature innovative
solutions tailored for the unique needs of hydroponic and organic farming practices.
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Premium Quality
The Mark of Trusted Quality.
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Highest Purity
Never Compromise on the Quality of Inputs.
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Crop Specific
Customized Fertilizer for your Favorite Crops.