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I wish I had your knowledge of freshwater fish because it would make FW testing easier. For now I just stick to the FW-fish-for-dummies.

No if they are packed with 24 hours of light, that's probably the max.

Just a porous decoration, to give more surface for bacteria.

I think you need more surface area in the tank for help with ammonia.

Or you could enlarge the holes, and let the fish eat constantly. My goldfish has learned to pull the algae out by himself. My cory does not care.

It's growing more because there are more nutrients; but still more than can be absorbed. And since there is only one, cleaning it removes your filter for a few days.

Stopping/reducing feeding...

Try them with no timer. Some FW scrubbers can do it.

Brown means higher nutrients in the water, or less scrubber light. Green means less nutrients in the water, or more scrubber light.

Just add a little CO2, or vinegar, to bring the pH down.

Algae does not forget about ammonia.

You probably just moved something.

Nice, and no hassle with water changes.

You probably don't want to kill any bacteria; if bacteria are there, then they are consuming ammonia and/or nitrite.

These were before scrubbing, correct?

Nothing to do, just noting that the air bubbles cause the most growth.

In the left pic, notice how it looks like the thickest growth is at the middle on the bottom, where the bubbles come out, and at the top where the bubbles accumulate.

It's still a little thin but will develop a base over the next months. Freshwater is interesting on how it builds a foothold.

Yes the freshwater growth will only get so thick. After a while it may get more solid and thick, but not bushy.

If one snail is visible, there may be other smaller ones too.

The algae in the filter could be from that. Time for a good toothbrush cleaning.

Ok let's see how thick it will get. My last one in FW took a month or so to get really thick.

Yes now. The thin slime sometimes prevents thicker growth from attaching.

Yes a good toothbrushing will allow thicker growth

Yes that will probably make a big difference.

Welcome from Canada.

Will be nice to follow. I see you opted for bubbles, instead of bubble-free placement above the waterline.

How are you hanging them?