Out of stock
Thank you for you interest in this product.
Please provide your details below and we will notify you when this product is back in stock.
BLOWOUT SALE! Powdered Oxygen. Grotek Oxy-Cal is a time-released supply of calcium and oxygen for the soil. Oxygen is a lifeline for all living organisms and is required by all plants throughout their life cycle for optimum growth.
Available size: 500 Gram Tub
DIRECTIONS FOR USE:
Mix thoroughly with soil at the following rates:
Gardens: Use 250 ml (8.75 oz.) per 100 sq. ft. or 20 kg per acre.
Potting Soil: Mix 9 grams (1 tsp) per 4 liters (1 gallon) of growing media or 4 Tbsp per cubic feet.
Oxy-Cal increases the microbial activity to provide a strong, disease-resistant growth medium. This enables the plants to better absorb and use the available nutrients and water.