lets see those results!

[hcs3]

surely everyone has their HM Digital DM1: Dual TDS Meter featuring an advanced microprocessor purchased via the first ever CIMA power buy already installed,...right?!

well lets see those results!

city of tolono tap water = 175 TDS
post 1st stage/sediment filter = 162 TDS
post 2nd and 3rd stage/carbon filters = 157 TDS
post 4th stage/RO = 8 TDS
post 5th stage/DI aka finished product = 2 TDS

conclusion: new sediment and dual carbon filters have been reordered and will be changed monday or tuesday (i'll post back with results from new filters). RO looks to be in good shape. considering changing DI resin.

[larryp]

looks like spflds is at 228. i got output water at 27 not using di. if your looking for a rejection percentage i believe im at 91%. i been told regulations for drinking water is at least 75% rejection. that came from ro com. out west.

[hcs3]

larry,

you are closer to 89%.

FWIW, a properly functioning RO should have a 90% reduction from tap to finished product. looks like yours is good, but i'd toss a DI on there as 27 TDS would bother me :)

[Brewboy74]

Chatham city water which is basically the same as Springfield.

IN- 216 ppm
OUT- 6 ppm

I have a 3 stage Kent RO unit and am very happy with the results.

[tschopp]

Tuscola 190 ppm
post RO 19 ppm
post DI 0 ppm

[hcs3]

wow steve, perfect results from your RO/DI. are those new filters?

interesting... from champaingn to tolono the water line goes from 145 to 175 TDS. from tolono to tuscola it goes from 175 to 190. since it is the same water line, i assume the water gathers "stuff" during the ride south?

[jeyes1]

tap 442
out of ro 07
out of di 03
di cartridge is at total color change

[David MC Lee]

tap 160 to 180
out of first di 3
out of second di 0

[epon]

tap 350 - 450 ughf

post RO - 35 ish
post 1st DI - 10 ish
post 2nd DI - 0 or 1

once the second DI starts to hit 5 or so, I swap it for the first and replace the second with a fresh refill.

we havin fun yet ? :)

[tcottle]

Just got mine hooked up.

Decatur tap water 193
RO 13
DI 0 - Color change and >50% spent

Filter is Airwaterice TyphoonIII. http://www.airwaterice.com/typhoon%20111.htm
RO filter and sediment filters are orginal (>2 yrs old)