Thanks everyone. I actually took some new pictures the other week and have a tank upgrade project pending for them. I'll hopefully have more to add in the next few weeks sometime.
Do you do anything to encourage the algae to grow? I have tried in my tanks and it always gets eaten.
I actually have two BNPs in there and still have to scrap the glass. I don't do anything specific, but I suspect some indirect sunlight and my lax water change schedule helps. (It's the one tank outside the fishroom and requires draining/filling with 5 gallon buckets - about 30-35% every 2-3 weeks is the honest reality of how often it gets done).
It also probably just depends on what kind of algae you're got in your own tank(s). What's in the pictures is a bush/brush style algae that nothing aside from some Protomelas sp. "Taiwan Reef"s has ever eaten and a really hard, green, coraline-like algae that's difficult to clean from the glass (and apparently hard for the BNPs in there to eat as well). I only scrape the front glass and one side.
