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Thanks for the input guys other then changing filters whats the difference?
I would buy a used light not knowing what condition the ballasts are in or the bulbs to me it's the same right?
The membrane would be my concern, without unraveling, it be like a box of chocolates. It could be damaged or clogged or something
Also if you factor in the cost of good cartridges and a RO membrane, then DI resin, it may be almost the same as buying a new one with everything included . The brs units come with flush kits and pressure gauges which can save you time in buying them separately.
Now I heard about this when people debate salt "saltwater is the main element in our tanks so we shouldn't take the cheap route there" No granted I do use RC salt (which is among the cheaper salt) but do believe RO/DI water is important. I just feel to be safe about a use RO/DI system I would want to replace all the filters and membrane. Also would I truly trust the TDS meter and/or pressure gauge on a used unit?
I think everyone was just trying to help Dan. If you look at all new replacement filters for an rodi including a membrane (most important l) you're looking at about $90. For $129 you can get a spectrapure 90gpd unit. I think thats all anyone was trying to say.