I've just blown up and filled the large paddling pool, and I want to leave it full and inflated for a few days or until the water gets too dirty.
What can I add to the water to reduce how germy it gets?
Is tea tree oil OK, or could it harm the plastic pool? What about a tiny amount of bleach - how much will kill bacteria versus how much will be too much for my toddler to swim in?
Advice please, what do you do?