whats the best way to remove that white deposite

  • We are currently upgrading MFK. thanks! -neo
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Water and a good sponge. I have seen some people use a natural cleaner but I'm not sure how safe that is. I use a sponge with a scrubbing side and a little elbow grease.
 
Vinegar works well.
 
Usually mineral deposits. If your tank is glass a razor blade works quite well.
 
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