Brown algae

[Sharkfin]

One glass is covered in brown algae. It's a new thank and Im still balincing things up. Do you guys think some otos would help?

 

[Rivercats]

Diatoms are self limiting and will go away once the excess silicates in your water are used up. Reduce lighting to 6 hours daily to limit/slow growth. Oto's really need to be put in an established tank and would suggest a couple nerite snails instead. They can't breed in freshwater so you won't be overrun with snails.