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Calcium (Ca)
Backlit display for clear readings in any lighting condition
as well as continuous liquid-feed growing systems such as aeroponics
soil and coco coir gardens
It contains potassium and 2% Soluble Silicon to reduce stress caused by heat
Down To Earth Azomite SR Powder Size:5 LB Calcium (Ca)Slow release grade of Azomite volcanic minerals with particle sizes ranging from 4 to 200 mesh. Ideal for blending with other fertilizer materials and amendments as a trace mineral resource to help meet complete plant nutritional needs. An economical way to fortify and re mineralize soils, composts and potting mediums.