to clean a tank

[brent hall]

Have a tank iam taking down. I want to know what I can use to clean the inside of tank with,to get calcum buildup and coralline alde off without useing bleach and water,but it has to be safe so it won't hurt the silicone on the glass.thanks fo any info

 

[crazy4salt]

Vinegar works wonders on calcium, the acid breaks it right down. And it's perfectly safe won't hurt the silicone.

 

[michaeldaly]

Yes vinegar works well, otherwise you could also use heavily diluted Hydrochloric Acid(Pool acid).