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#16
07-27-2009, 04:22 PM
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65ppm isn't bad.. I get 14ppm out of my tap.
I guess if you're really concerned then you may as well get the full RO/DI until.. I think J&L has one for $200 or so. You could just get the Aquarium Pharma DI filter for about $60. It really depends on the size of your tank. With about 65ppm the filter will last you a while if your tank isn't big. And if you're patient. 
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