I have some good pieces of live rock starting to dose purple up. In hopes to get more color through out other rocks. Which is the proper way of using it. Filter and skimmer off for a time period or just go ahead and leave everything on.
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Purple Up can't be skimmed or filtered out, so it makes no difference. It's basically aragonite in solution with a bit of iodine, not really that helpful for the price. There are cheaper ways to dose your tank if you need it. You find out if you need it by testing.Which is the proper way of using it. Filter and skimmer off...
I tried this stuff when I was a young reefing whipper-snapper and never could figure out exactly what it was doing to my water parameters. It looks kind of cool when your tank gets all cloudy though....made me feel like I was something beneficial.
I agree that there are better ways to encourage coralline algae growth....just care for the tank like you would with corals