Is it okay to remove rocks and wood from tank to kill algae

[Country joe]

I have a green algae on 2 rocks and one piece of wood, I used boiling water, on one rock and it killed the algae completely, I know these pieces hold bacteria, would it be okay to remove one at a time weekly, treat with boiling water, then returning without causing a spike in the aquarium.

 

[GaryE]

Probably. If the filter is well cycled, you'd be fine. But algae always returns until you figure out why it's doing so well.

 

[Country joe]

Thanks, my lights on a timer for 6 hrs, and havecut back on feeding, I also have the window blind closed permanently, so don't know what else I can do, my 70 litre tank in the same room is only 5ft away from the tank, and its never had one bit of algae.