DIY Fertilizers Vol 1: Make your own no nitrogen calcium + micros fertilizer
- Sun of Sour
- Mar 2, 2023
- 1 min read
No Nitrogen Calcium + Micronutrients Liquid Fertilizer- $3.00 / Gallon Make your own no nitrogen calcium + micros fertilizer. Warning: high chloride. Use strategically.
By Ian Bateman, CCA
Fertilizer Analysis
0-0-0 4% Calcium, 7% Chloride
Iron-EDTA: 0.13%
Manganese-EDTA: 0.034%
Boron: 0.0036%
Copper-EDTA: 0.0034%
Zinc-EDTA: 0.016%
Molybdenum: 0.0004%
Materials
1. Food grade calcium chloride. ($0.80-1.00 / lb, sold in 50lb bags)
2. Peter’s Professional STEM Liquid ($50 / gallon, sold in 2.64 gallon jug)
3. RO or distilled water
Cost per gallon: approximately $3.00
Directions to Make 1 Gallon of Fertilizer
1. Fill clean container with ¾ gallons of pure water.
2. Dissolve 440 grams of food grade calcium chloride in the pure water.
3. Add 80 ml of STEM liquid to the fertilizer stock solution. Stir.
4. Top-off container to make final solution volume of 1 gallon.
5. Recommend using fertilizer stock solution within 1 month and storing at room temperature in a light tight, lidded container.
Diluted Nutrient Solution Analysis

Material Links Calcium Chloride: oxy.com/globalassets/documents/chemicals/products/other-essentials/173-01757-food-grade-Anhyd-prod-info-sheet.pdf STEM Liquid: icl-sf.com/uploads/USA/Product%20Sheets/OH/g99068_peters_pro_stem_l.pdf
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