Dirt tank cycling

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kzimmerman

Piranha
MFK Member
Mar 18, 2009
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delmar md
So I want to switch my 75 gallon tank from gravel to a dirt capped with sand substrate. My concern is with cycling the tank, as I have some delicate fish that can’t take a fish in cycle. So assuming that I have adequate filtration (2 Fluval 70s) can I expect a huge cycle? Are there any steps I can do first to reduce any ammonia spikes? Am I overthinking this?
 
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Hey
If you are only gonna change the substrate in the tank you dont need to worry about cycling. If you use the same filters, they will already be cycled. Its in the filters most of the important bacteria lives.
For the other questions it really depends on the fish and stocking level. What fish do you have and how many?
 
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