- Joined
- May 28, 2023
- Messages
- 138
- Reaction score
- 264
- Location
- USA
- What state or country do you live in
- Arizona
Hi guys! Newbie so be gentle please.
I have Mantis only tank that started as a 26 gallon back in June. We upgraded him to a 50 gallon mid August.
Recently I have noticed this what looks like fine whispy white hair bacteria or algae over a lot of the rock. It’s hard to get pics so I tried to include a video as well.
Can anyone tell me what is causing this or if it’s fixable without chemicals.
We do not run lights but do use some window light.

I have Mantis only tank that started as a 26 gallon back in June. We upgraded him to a 50 gallon mid August.
Recently I have noticed this what looks like fine whispy white hair bacteria or algae over a lot of the rock. It’s hard to get pics so I tried to include a video as well.
Can anyone tell me what is causing this or if it’s fixable without chemicals.
We do not run lights but do use some window light.


