


ATA - CALMAG - 5LCalmag ATA CalMag is a supplement designed to provide the plant with calcium and magnesium when the nutrient water is deficient. Although hard tap water is rich in calcium and magnesium in most countries, in some cases a CalMag supplement may be advisable. Especially if the grower is using soft tap water, as in much of the UK, or reverse osmosis (demineralized) water, the use of CalMag is even a must for the plant. The use of ATA CalMag is also
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