How do I hold on to child's pool algae free? I bought my daughter a small pool (16' X 18") and wondered...

I bought my daughter a small pool (16' X 18") and wondered if I could add a small amount of bleach to pool to keep it clear. I don't see buying adjectives this pool cleaning stuff for a small pool that will not last the summer. How much do I need to join without it harming her?
What type of spider is black and furry...
Answers:    I wondered this too final year when we bought one of these pools. The thing is no matter how verbs the water is the kids bring in so much grass and leaves and wreckage that changing the water is essential anyway. So I will the water for a maximum of 3 days and then we modify it. I don't think there is a method around it...
How much does it cost approximately to add...
It's really too small to add much. You can however get one of those floating chlorinators and put in a tablet and let it float in here when not in use.