SO I have not changed my membrane since I bought my RODI around 4 years ago it and my last DI cartridge lasted less then two months so I guess its time. I do not have a port to check TDS after membrane before the DI up planning on adding that now.
I am looking at Spectra site and Have question what is the difference between the upgrade kit that comes with 99% rejection 90gpd membrane and the super DI HC cartridge and buying the Membrane and DI separate other then you save a few dollars when you buy them separate or am I missing something?
I am looking at Spectra site and Have question what is the difference between the upgrade kit that comes with 99% rejection 90gpd membrane and the super DI HC cartridge and buying the Membrane and DI separate other then you save a few dollars when you buy them separate or am I missing something?
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