Nothing too hard,just using treated tap water.Make sure to get the water ph and temp around the same as the tank and just place the zoos in and leave for several minutes.Give them a good swish around before taking them out of the fresh water.
The zoos show no signs of ill effect,they will close up for a bit,but once back in the tank,they will open again.Lugios dip is highly effective in killing the little buggers,but I haven't got any.
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Jim
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