I use one on one tank that is my puffer tank (obviously a high nutrient tank) and use it for that very reason...and have not had either the problem with Ventricaria or cyano that I did prior to putting it on and aving just used a skimmer. In fact, no problem. You might want to contact Morgan Lidster at Inland Aquatics for starter screens - don't know what his current position is in terms of ATS - he was the only one licensed to sell them, Adey's brother screwed him, but he said not too long ago he was getting back into it again. But, of all people in the trade, he is the guy I run to with algae needs. What I did since my ATS was in the attic for years, was find bits of various turfs on rocks here and there, even from others tanks or stores, and then carefully glue or sew little patches onto the screen, and let them grow. The algae go througha succession, and without the nice started seeding Morgan had, my succession is still based largely on the rapid growing Derbesia-type greens, and I want the red astro-turf stuff that is so efficient and rarely needs scraping, but haven't gotten there yet. I found a good patch of it on some frag bases in one tank, but have not yet scraped it off and stuck it on the screen.
