Add dry sand after cycle

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20 Mar 2010
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Hi

After a tank has cycled for 16 weeks. Parameters are good, can I add dry sand tot the system?
Currently there are no sand just LR.

Will tank go into a cycle or mini cycle?
 
I would add in thin layers (5mm depths) otherwise if you add too much in one go it could become anoxic.

Be sure to have hermits and cuc that can work the sand untill it becomes live.
 
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