Changing substrate in estabished tank - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 5 Old 09-26-2011, 12:07 AM Thread Starter
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Changing substrate in estabished tank

This is something over the years and quite a few tanks Ive never done on an established tank. I do not like the substrate in it now. I have the new in bags ready to replace.
Whats the proper procedure for doing this on an established tank?Its a 38 gallon tank. Not planted. Has regular tropical fish run of the mill species. Thanks
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post #2 of 5 Old 09-26-2011, 12:18 AM
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You kick up so much sediment when replacing the substrate I'd just do a full tank clean, remove fish and everything, just keep a good amount of old substrate to bag it and help seed the new substrate to help the filter with biological filtration.
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post #3 of 5 Old 09-26-2011, 12:38 AM
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Quote:
Originally Posted by zof View Post
You kick up so much sediment when replacing the substrate I'd just do a full tank clean, remove fish and everything, just keep a good amount of old substrate to bag it and help seed the new substrate to help the filter with biological filtration.
+1 just make sure to keep the old substrate that you are going to bag up wet. That way the bacteria doesn't dry out and die.
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post #4 of 5 Old 09-26-2011, 10:11 AM
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Also, a good "bag" to use is the "foot" of a nylon pantyhose.

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post #5 of 5 Old 09-26-2011, 11:19 AM
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Also keep any decorations, wood, rocks, fake plants wet, along with the filter media. This will help to keep some of the benifical bacteria alive while changing over the substrate.
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