Emerald Harvest Cal-Mag 55 gal Pots and Containers One filter typically lasts for

One filter typically lasts for 2 months or 320 gallons

No need for plant markers

8% by volume)

Our bug shield plastic mesh bug screen catches insects of all kinds

Emerald Harvest Cal-Mag 55 gal Pots and Containers One filter typically lasts forDescription Reduce the risk of calcium or magnesium deficiencies. Promote chlorophyll production in plants to keep them green and healthy vigorous. Activate enzymes in plants that help plants uptake nutrients. Keep your plants productive and green in any growing medium with this calcium magnesium supplement. Containing top quality ingredients, Cal Mag is designed to nourish crops with extra calcium and magnesium and create the right conditions for