Should sand beds be vacuumed when changing water?

Should sand beds be vacuumed when changing water?

All QuestionsCategory: Tank HealthShould sand beds be vacuumed when changing water?
TM883 asked 1 year ago

 At one time I read that it removes beneficial “critters”. Recently I have read to do it. In addition to that, how often should I change my water, can I use a normal garden hose? Is there a special product that I need to buy? I don’t want a normal garden hose to put chemicals into my tank.