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Very low TDS - Doesn't throw off mineral balance
coarse perlite
The perfectly designed 3D blades of the impeller and stator make this fan extremely powerful and energy efficient
This 12 in flange fits Dual 105
Magnesium Sulfate Water Soluble Powders Very low TDS - Doesn't(49 Bags per Pallet) Magnesium sulfate (or Epsom salt) is used to correct magnesium deficiency which can be common in the hydroponic production of vegetable crops. It is perfect for use as a part of a hydroponic nutrient solution because it is inexpensive, highly soluble and naturally occurring. This agricultural grade magnesium sulfate heptahydrate (MgSO47H2O) is an extremely soluble and bioavailable source of magnesium and sulfur for the health of