no just make sure it is room temp
water filter need changing
You need to put it in a bucket of water and leave it there overnight.
no you need minecraft beta to play beta servers
You do not need to, but it's highly recommended.
i need the beta bug
You need to be more specific, ice at o.1 will melt
Yes. The seal for the water pump is bad. Replace it.
No they need sun to survive because there shell and scine will get MST
The water is used so it will need to be changed and or refilled.
There certainly is a formula for beta decay. You just need to know the parent nuclide and the beta mode, beta- or beta+. See the related question below which answers this quite well.
The temperatrue and water speed.
Chlorine will kill just about anything so yes it has to be removed. Because chlorine is a gas it will evaporate off from tap water given time, so provided the water is allowed to stand overnight there is no need to use chemicals to remove it.