Bb in substrate

wtusa17

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If I were to take some substrate from a cycled tank and put it in an uncycled tank, would that speed up the nitrogen cycle?
 

utahfish

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Yes as long as you arent putting used substrate on top of established substrate but if its new substrate than yeah just mix in some old substrate and it should help cycle your tank quicker
 

Deanasue

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Yes as long as you arent putting used substrate on top of established substrate but if its new substrate than yeah just mix in some old substrate and it should help cycle your tank quicker
Be sure not to wash it in tap water either.
 
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