Topping up your sand bed


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Is it a bad idea to add more substrate to an established tank ? I have had my tank for 18 months and is doing very nicely but I wish my sandbed was a bit deeper - would help the wrasses and would just generally look nicer !!

Any advice please ....
 

RiaanP

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Adding layers is not an issue. Even on an established DSB. But no more than 10mm per week. You need to give the worms and other critters in the top level of the sand a change to migrate upwards.
 
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on this, if i were to add live sand, would i wash it first? considering the tank is established what would be the best way to add live sand
 
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Where is the live sand? Has it been disturbed, is it still in a running tank?
Moving sand too much is never a good idea
 
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