FoxFarm Cal-Mag (1 gal)

FoxFarm Cal-Mag (1 gallon), sold as Gringo Rasta Cal-Mag, supplies two essential secondary nutrients, calcium and magnesium, to strengthen cell walls, support enzyme activity, and aid fruit and flower development. It works in both soil and hydroponic systems and helps prevent deficiencies that lead to blossom end rot or poor bud formation.

At a glance

• Type: Liquid calcium and magnesium supplement
• Size: 1 gallon
• Calcium: 3%
• Magnesium: 0.9%
• Suitable for: Soil and hydroponics
• Certification: OMRI Listed and CDFA Organic Input Material
• Derived from: Calcium carbonate, magnesium sulfate, and soy protein hydrolysate

Best for

• Preventing blossom end rot and weak buds
• Vegetables, fruits, and flowering plants
• Soil and hydroponic feeding programs
• Correcting calcium and magnesium deficiencies
• Certified organic growing

How to use

Add Cal-Mag to your regular feeding program per the label rate for soil or hydroponic systems. Use it to correct or prevent calcium and magnesium deficiencies that cause issues like blossom end rot and poor bud formation, supporting overall plant vigor and resilience.

About Grow Organic

Grow Organic supplies organic and non-GMO seeds, amendments, and plant nutrition products for gardeners who want a chemical-free, productive garden.