Originally Posted By: Hesperus
OK this is making sense now. Sounds like we have the right stuff for the job. The lower initial solubility of the coarser grain is probably a good thing long term as well.

I'll ask the farmer neighbor what is in the "good stuff" that they use on the fields, but I'm guessing it is exactly as you stated.


We have had farmers put on dolomite lime on high mag land it will not have the effect that calcite or calcium carbonate will. High mag will make the plant turn very dark green as well as your algae. To much will act and look like to much nitrogen. But very very dark green colour.

If your water has high mag now it would be very bad to add dolomite lime. Calcium carbonate is the most abundant mineral on the face of the earth and is cheep. Highest cost is trucking.

Cheers Don.

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