Coraline Removal

Stupid question, but how do you get coraline algae off the seams of your tank. I scrap it off the glass, but I have some really thick build up on the seams, that I haven't had the nerve to go after it real hard. I don't want my tank to spring a leak because I scrubbed the silicone off.
 
Use a toothbrush, or ignore it. You really don't want to compromise the silicone seal.
 
Marc's got a plethora of asterina starfish that do a wonderful job of removing coralline. I've got a few myself and wish I could get rid of them. :D
 
@Soji John wrote:
Marc's got a plethora of asterina starfish that do a wonderful job of removing coralline. I've got a few myself and wish I could get rid of them. :D said:
Really? Mine only eat green algae - which I have plenty of. I'm trying to get rid of GREEN coralline, too - scraping it off means it only comes back a darker green. Yuck. I did have plenty of pink, but I think phosphates have taken over, and the asterinas love it :wink:
 
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