Quick Oto Question

It honestly depends on the otto. Nothing will eat BGA (it is bacteria, not algae) and barely anything will eat green spot. Some ottos are really picky, and some will eat pretty much anything. What is currently in the 29? Ottos will be more active and eat more in groups. They can also be reeeeaaaalllllly sensitive. Amanos or nerites might be a better choice.
 
Hi Brad, like your bristlenose, the otos will not eat hair, BBA, staghorn algaes. They eat soft films and algaes...biofilm on plants, glass, gravel, brown diatom, very soft green algae. With two bristlenose in a 29G, any otos you add are going to starve to death, there won't be enough of what the otos like to go around to them all. True siamese algae eaters will eat hair, bbs, staghorn, but they get pretty big. Sounds like your tank is at it's inhabitant limits.
 
No luck here getting ottos to eat green hair algae. I don't believe my SAE's even touched it and they are algae eating monsters. I would def get some amano shrimp as suggested by Hebily. From my own personal experience, I have had much success with them keeping the hair algae in check. I haven't seen any since placing them in my planted shrimp tank several months ago.
 
Right now it's the two pleco's. 1 dwarf gourami, 1 german blue ram, 1 female peacock gudgeon and in qt I have 2 furcata rainbows. I actually had 6 rainbows and 1 male peacock shipped but only 2 of the furcata's survived. I think it was the heat so I am going to wait until it cools off before I have the breeder retry, he agreed to do a partial refund. So as you can tell fish wise the tank is full. I really don't want to get any more fish unless I have to, and if thats the case I might only get 2 more furcata's if that's the case. I have cherry shrimp and tried 4 of my largest males. The ram and peacock would have none of that. Then I tried a huge amano shrimp from my LFS, just got him last night he was just as big as the fish. He seemed to be ok and only the ram looked interested but not aggressive. But looked forever this morning with no luck. Hence why I am where I am. Will Nerite snails eat any BBA, really the BBA is my problem. It's covering anything that is more then 6 inches off the ground. It is killing off my alternating Reineike.
 
From what I understand of BBA, you really need more co2. I might be wrong, but that is what I remember being the most common cause of BBA. If you use DIY co2, that can be the problem, also, because the variable levels can cause it.
 
I don't know enough about it to make that call. One thing I know of that you can try is to incorporate a second bottle into the system, and alternate them, so that when one bottle is getting weak, the other is going strong.
 
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