Update from me again....

I abandoned the oto project. The small tank just didn't seem right and I found out the sand had gone bad... So the two couples were released in the big tank and I can see they're quite happy there. The big tank is however a bit crowded so even if they would spawn I think I ...

I changed the setup...

My water "smelled" bad and I decided it was time for a big cleanup. I also had a snail problem and some muck I couldn't vacuum. So I removed all plants, cought all Oto's and did a good cleanup of the bottom sand. Left the water "as is". Since netting Oto's is not a very good ...

KH 0 seems like a bad thing. KH 0 may be fine in nature, but in a tank, you need some KH to make sure the pH is stable - otherwise, your pH will end up at 4 or 3 or some such...

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Mats

Thanks for thinking with me...

The KH 0 is the replacement water. The tank is around KH 4, so I'll be ...

Thanks for the reply,

They're in a species only tank, there's no other occupants. I'll take a good long look at "after hours" activity. I was thinking that maybe this tank is just a bit to crowded for them, so maybe I'll split up the group.

Catching an Oto in a densely planted tank is however a ...

Hi there,

New to this forum, forgive me for posting outright...

I've been following this topic with great interest. Since I'm from the Netherlands we do favour a densly planted tank. This is where my love for the small Oto started.

After having several tanks for many years I recently did a ...