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FoxFarm Cultivation Nation Cal-Mag Supplement




FoxFarm’s Cultivation Nation Cal-Mag uses the finest ingredients that are tried and tested to ensure quality. Use as a supplement during the start of the fruiting and flowering process to unlock the full potential of your crops and address issues of deficiency.  Pair it with the Cultivation Nation 2-Part fertilizer system to support your crops from start to finish for both soil and hydroponic systems.


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FoxFarm Cultivation Nation Cal-Mag

Cultivation Nation® Cal-Mag is a supplement for use during fruiting and flowering to address deficiency problems that can occur in hydroponic, soil, and both small and large-scale growing environments.


Cover cap vent and shake well before use. Mix 1 Tbsp (15 mL) per gallon (4 L) of water. Begin use just before bud development. Continue use as needed, not more than once per week.

Maintain a pH range of 5.6 – 6.8. A pH outside this range can impact the availability of calcium and magnesium.

FoxFarm Hydroponic Feeding Schedule

FoxFarm Soil Feeding Schedule



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