When your fish die do you all ever think it might be your tank, Not the store. take a sample of your water in with you before you get fish from any store have them check it for you. greentree does this for free. They love to help, so why not help your life to be better by testing your water first. Yes your fish might be ok, They have adjusted to it because they live in it. You add new fish to the tank that are use to other water they may not live. Always have your water tested first!
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