Adding Substrate to Established Reef

[Brei86]

Any type of substrate I can add without causing a cycle of any kind?

 

[woodnaquanut]

What do you have now?

How much do you want to add?

What are you trying to achieve?

 

[Steve Ruddy]

Any type of substrate I can add without causing a cycle of any kind?

Sand from an established tank that has been transported properly otherwise mix it in to minimize cycle.