Scrub Brush?

[ext]

I Had Brown Stuff On My Rocks And Glass And It Got Way Out Of Hand So I Did What Was Told And Did A Water Change Using R/o Water.cleaned The Glass. Can I Lghtly Clean Up The Rock With A Brush? And What Kind Of Damage Can Happen?

 

[dirkdaplr]

You could use a brush to clean the rock off just brush lightly and you shouldnt remove anything you would want to keep.

 

[nanoreef]

what u scrb of the rock will jsut spres off into you tank

 

[ext]

no, no i filled a bucket with salt water and laid thje rock in it then scrubed it down then put into another bucket with clean water.