What Kind of Lime Is Best for Ponds? (Pros Cons)
The NV is affected by the chemical impurities in the powder. A product with a purer concentration of calcium carbonate would have a higher NV, approaching around 90 100%. ... Crushed agricultural limestone is widely regarded as the best lime to use in ponds, but its poor solubility in water with a pH above or alkalinity levels above 50 ...