Recent content by sparkyweasel

The second part of that is quite believable. :)

That might explain why plants grew well under incandescent bulbs.

My experience is similar. Often 100% melt. :(

We don't.

That's an industrial abrasive.

If you can post a pic, some-one will know. :)

If the others are breathing normally, I would suspect gill flukes (or perhaps a gill infection) making it harder for the affected fish to obtain oxygen. Low oxygen in the water is likely to affect all the fish of a species equally. I would try treating for flukes. hth

What symptoms are they showing?

I would reduce the lighting to start with. Brown algae (diatoms) usually go away after a week or two; people can give any advice they like and it will always seem to work. :) I would also add more plants, especially fast-growing stem plants. Algae seem to have a hard time when there are lots of...

There are European and North American Frogbits as well as Amazon Frogbit. :)

Welcome! :)

Zero nitrate is not a useful goal. Happy and healthy fish is a better goal to aim for. Fish like space to swim around, the choice of interacting with their tankmates or keeping away from them, and a rich environment to live in. No amount of filtration will add that to a tank that is too small.

You're right, it can. But also from airborne spores.

Welcome! :)

Are we talking about the brown patches on the Amazon Swords? They don't look like diatoms to me, more like damaged leaves. Can you remove the brown patches ny rubbing the leaves?