Biomin Calcium Options:Biomin Calcium, 1 qt 200 µmol/s in total output

200 µmol/s in total output and 1

Both form and strength have been greatly improved for good machine and manual processing

gypsum and proprietary wetting agent combine to make Sunshine Mix #4 with Mycorrhizae the professional quality mix which meets the needs of serious-minded growers

Technical Specs: 11 x 11 x 4

Compared to PhysioSpec Indoor

Biomin Calcium Options:Biomin Calcium, 1 qt 200 µmol/s in total outputBiomin Calcium is micronutrients chelated with amino acids. Through this amino acid chelation process, the micronutrients are more available to plants and are safer to use than inorganic minerals or synthetic chelates. Biomin is suitable for both soil and foliar applications. Available in Biomin Calcium and Biomin Iron.