ok, noob question here: Isn't the idea of a RO/DI filter to get something as close to pure H20 as possible so that you can add salt to it to get 'seawater' which contains all these elements -but nothing else ?
In other words, doesn't the SALT add all the necessary trace elements ?
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-Mark
29 Gal Bowfront w/24" LED Lights. DIY HOB Sump (5.4 Gal) MP40. Orange Spotted Watchman Goby, 2 Clownfish and a few hermits.
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