No they can't. Chlorine will kill them.
Yes, as long as it's not chlorinated.
yes
no, they swim in water and eat bacteria in the water
Tadpoles use their tails to swim.
Guinea pigs can swim but only in shallow water, NEVER let them out of your sight and don't put them in with salt or chlorinated water
yes, salt water is good against eczema!
no
when they get older they do
no i would not
Assuming you have followed directions and rinsed the product out of your hair after 5 minutes, there would not be any reason not to swim afterwards.
Yes, of course. As long as the amount of chlorine in the water is as directed by retailer there should be no reason one could not swim in a pool while it is being chlorinated.
tadpoles