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- Apr 20, 2019
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I recently upgraded from a Liquagen space saver 4 stage 100GPD RO/DI unit that would fill my 2.5G container in 23 minutes to a BRS 5 stage Premium Plus 100GPD RO/DI unit that is now taking about 35 minutes to fill up the same container at 60 psi with a 1:3 rejection rate. Why was the 4 stage producing water so much faster and from what I can tell, more efficiently than 1:3? It seems the new 5 stage is producing at the advertised rate of 100 GPD but the 4 stage was producing more like 150 GPD for some reason?