Emerald Harvest - Cal-Mag Size:22.71 Litre High humidity can destroy entire

High humidity can destroy entire crops by slowing down growth rates and encouraging mould and mildew

Strengthens roots and stems

Transplanting – to reduce shock and encourage root growth

and NFT grow systems have proven themselves to be more than capable of delivering huge yields

Emerald Harvest - Cal-Mag Size:22.71 Litre High humidity can destroy entireBoosts Photosynthesis Rates and Nutrient Transport for Enhanced Growth Cal Mag, from California's Emerald Harvest, maintains optimal growth rates by providing a source of calcium and magnesium two secondary macro nutrients that play hugely important roles in plant health. Cal Mag will assist with the transport of other nutrients and increase photosynthesis rates, while helping to get the best out of your other boosters during peak flower. Essential