Assertion: snail | /r/HasProperty | to exchange about 50% of the water
Facets:
value: for clean dechlorinated water
type: PURPOSE
Source sentences:
text: If suddenly all the snails at once will try to get out of the water, it probably will mean something is not right with the water and your first reactions should be to exchange about 50% of the water in the tank for clean dechlorinated water.