Purple coraline: How to clean off glass?

BBN

BBN

Braves on the Warpath
Apr 3, 2003
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Marion, Illinois
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I recently moved my operations over to a 75g from my 55g but left two damsels in it. It's time to take those damsels out and send them back to the LFS because I plan on converting my 55g to freshwater. I only have one problem. The last several months while I didn't mess with cleaning the glass the purple algae splotched all over my glass. I used a credit card and that barely worked. I got out an ice scraper and works pretty good but some of the stuff will not come off easy at all. Is there anyway I could get it off besides slowly scraping small bits here and there or am I stuck with the work? Will it come off easier once I drain the tank and let it dry? Would some freshwater algae killer weaken it? The stuff is hard as a rock. Any help besides slow teious scraping would be appreciate. Thanks
 
Have you tried a razor blade? That usually works for me - try it while the water is in the tank.
 
oooooh. Good idea. Most of the big spots come off easy with a metal blade ice scaper but the smaller spots are stubborn. Guess I need to get a razor blade. Thanks for the idea! :thm:
 
Is there any particular razor blade to use? I have a few around but dont know if they are safe for the water.
 
any one is fine , just make sure its not rusting... its best to just use a new one since they only cost like 0.20, it would be easier to clean the alage off with water in the tank i would think. If you weren't taking it down you could get an urchin, they eat it.
 
This is ironic isn't it? Most people need to know how to grow it not how to get rid of it. Quite funny really.......Sorry I know I am not helping.
 
Lorna said:
This is ironic isn't it? Most people need to know how to grow it not how to get rid of it. Quite funny really.......Sorry I know I am not helping.
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Understood. I have never had a problem with purple algae growth. I only had about 30 pounds of rock in the 55 and moved it too the 75g. In the 75g I already had a bunch of base rock and a bunch of dry, sun-whitened reef rock washed ashore that I got when we went to Hawaii. 6-7 months later after moving my purple rocks that original dry rock now has purple spots all over them and spreading nicely. I guess I'm one of the lucky ones.
 
BBN,
Hope you are talking about a glass tank here and not plex. If it is glass, you can go to home depot and get one of the 3" razor blade scrapers. They work really nice. Its nice to have a handle on the blade to hold onto.
 
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