How long does it usually take to remove Coppersafe with poly filter? I've been running it about 24 hours and it's blue, but my test kit doesn't show any difference.
Should I also run carbon?
Should I also run carbon?
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^^^^this. I do the same thing.
How long to fully clear?
Does carbon not work?
Any downsides to running both at the same time?
I did two 50%+ water changes before adding polyfilter and it took 3 days before I could not see copper on my api test.How long does it usually take to remove Coppersafe with poly filter? I've been running it about 24 hours and it's blue, but my test kit doesn't show any difference.
Should I also run carbon?

