dan_from_nz Posted November 23, 2004 Report Share Posted November 23, 2004 I am looking for a system to filter water to get it clean enough for fresh water fish, i have read that ro water can strip fish of nutrients and can cause hith disease on discus is there a sudgested system that anyone knows of that gets it relatively pure but not to pure also needs to do large quantities like 20l every 5-10 mins any help apreciated thanks alot daniel Quote Link to comment Share on other sites More sharing options...
Ira Posted November 23, 2004 Report Share Posted November 23, 2004 You're going to spend massive amounts for a 20L per 10min RO filter. That's about 700 gallons per day. Most RO filters are about 1/20th that. At least home filters. Why not use straight tapwater with some dechlor. That's usually good enough. Quote Link to comment Share on other sites More sharing options...
dan_from_nz Posted November 23, 2004 Author Report Share Posted November 23, 2004 yeah i knew ro water was not an option, i has hoping that there would be a good system that was alot simpler (and cheeper) Quote Link to comment Share on other sites More sharing options...
Midas Posted November 23, 2004 Report Share Posted November 23, 2004 You could use one of the carbon filters (like the bench top ones). They would do 20l every 1-2 min's as they can hook up to garden hose fittings and provide flow slightly less than what comes out of the hose without the filter. These will take out chlorine and a few other bad things and give you water that is fine for your fish. They sell them at WetPets and Central Water filters in Palmy sells them (thats where I got mine). I find it much easier than using dechlor products as it takes out the need for buckets (you can go straight from the tap through the filter and into the tank), and it is easier than leaving the water sit around for a day or so waiting for it to dechlorinate naturally. I think they cost around $120, with replacement cartrides (needed every year) around $70 ea. Quote Link to comment Share on other sites More sharing options...
dan_from_nz Posted November 23, 2004 Author Report Share Posted November 23, 2004 i think that may be the best way to go, kinda annying having to get an ro/di system for marine and another type of filter for fresh water Quote Link to comment Share on other sites More sharing options...
Ira Posted November 23, 2004 Report Share Posted November 23, 2004 It you've got an RO/DI system you'd usually have a carbon filter before the membrane anyway. So you could put a T off after the carbon filter, use that for the fish. Or use the wastewater from the RO filter freshwater tanks. It's only going to have about 10% more impurities and all the chlorine would have been filtered out. Quote Link to comment Share on other sites More sharing options...
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