Water change questions

[hillegom]

When water evaporates, only pure water leaves, its like distilling, leaves all the chemicals behind/salts/nitrates, etc

[reefwithareefer]

Originally Posted by hillegom

When water evaporates, only pure water leaves, its like distilling, leaves all the chemicals behind/salts/nitrates, etc

That makes sense.
So I guess I add more to my daily changes and see if the algae is reduced. Geesh, that is like 14 gals of water everyday.