Dirty Tank

[Petercar (RIP Dec 2017)]

Does more algae and brown sand bottom come up when it's time to change your GFO ? I find that the last few times. Get more dirtier glass then change my GFO it it doesn't come up as usual

 

[reef keeper]

Pretty much.

 

[MrHermit85]

yup, happens to my tank too. Makes sense