Why can't snail geomantic land be built with limewater?

Lime cement construction will cause too much lime in the water, which is in a strong alkaline state. Causing a large number of snails to die.

Aquaculture water: strong adaptability, as long as a large number of pesticides and fertilizers are avoided, rice fields, ponds and canals can be stocked. Breeding snails: Choose fresh snails with light brown color, thin and complete shell and dull dome. Feeding management: in order to maintain water fertility, appropriate amount of organic fertilizer such as manure, cow dung, chicken manure, pig manure or straw should be put in the intermission to meet the growth needs. Daily management: it is forbidden to pollute water sources with chemical fertilizers and pesticides, and weeds and grass roots in water should be removed in time.