Help! di resin bad ? picture inside

krusieski

New member
hey whats up i recently noticed my tds meter was reading 022 and i bought this system used. ive made about 150 gallons plus so far and tds was at zero. i dont know what kind of resin came with system so i wasnt sure if it looks bad or low ? any help would be appreciated
eaa4238fc0e856a65a7709c5f0cf0530.jpg



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Mine turns brown like that when it's depleted. I'd suggest replacing that. It should completely fill the container btw.
 
Yes the DI resin is depleted. Just buy some more and repack it. It's a daily simply process.


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ok my di side didnt always fill all the way up ? it started at the top and kept going down gradualy


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When you refill, pack it to the top. Tap it down on a flat surface leaving just enough for the cap to fit. Depletion is determined when your TDS coming out of the DI side is above 0. Some people go higher than that like 3-5 TDS. Me no. When mine hits 1-2, it gets changed. This is regardless of what it looks like.
 
If you ever see what looks like color change starting at the TOP of the DI Cart, hat's a good hint that the bed has fluidized and the beads have separated by specific gravity (weight). Dump the resin out, mix, add more, and re-pack the cartridge tightly.

Russ
 
Get a dual in line TDS meter and monitor TDS post RO membrane and post DI resin. Check your source water's TDS, the post RO TDS should be about 5% or less of the source water. Replace the DI resin when the TDS post DI is greater than 0.
 
FWIW not all resin is color changing. Also, when the resin does change color often times there is still life left in the resin. Just my 2 cents.
 
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