Yeah, it's not too bad, personally, I would open the bag and clip it to the inside of the tank and let it float there for 15 minutes, then add tank water a little every 15, and then when it's full start replacing that water with tank water until it's been a couple hours, then net and release.
The reason I would open the bag immediately is to oxygenate the water more. Of course, if you have a drip system set up, then that works great too.
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