Check the listing for details. SEA-90 Organic Soil Mineralizer + HUMATE Trace Elements, Vegetables, compost Tea. Condition: New. Listed at 29.47 USD. SEA-90 Organic Soil Mineralizer + with Humic Acid, Trace Elements Garden Vegetables & Compost, Teas This product in bulk and package it in smaller sizes for each order. Sea-90 Soil Mineralizer+ now includes 1% Humic Acid as well as 0.1% K2O, 1.5% Ca, 0.5% Mg and 1% S. Sea-90 is made from natural crystals produced by solar dehydrating H2O from sea water trapped in retention ponds located in a very arid pristine coastal area with no industry or agriculture. This particular sea is considered to be one of the most mineral-rich and diverse in sea life on earth. These minerals and trace elements are proportioned and balanced to sustain biological life.You can buy Sea-90 Minerals in a 1 lb. 3 lbs. or 5 lbs. and even 10 lbs. package and can be used to fertilize all your plants and use to activate Biochar before adding it to your Garden. Great to be used to make Compost Tea.Home & Community Garden Instructions: All Garden Soils - 3 pounds SEA-90 Mineralizer + per 100 square feet annually, in the early Spring or late Fall