White film

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RF Staff
Jul 28, 2011
Olalla, WA.
I seem to have developed a white film on the surface of my water. You can’t see it from the top, but it is prevalent when you look from the bottom. I recently switched salt mixture to Aquacraft Bio Marine Salt Mix. That’s the only thing I’ve done different. I contacted the owner, Michael De Preet, he said they don’t put anything in their salt to cause a film, so I don’know. Any ideas. I treat with a bag of Phosgard and dose Red Sea NO3PO4. Any ideas?
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