got ethical husbandry?

Fridge filter water

popper

Supporting Member
Wondering if the fridge filter remove gunk similar to a RODI. I changed two fridge filters, used a TDS meter and found both read the same as kitchen sink faucet = 320ppm.

My RODI water is close to 0 ppm.
 
They are definitely not the same. The refrigerator has a carbon filter only.
I check my refrigerator water with the carbon filter on and it drops tap water TDS of 35 down to TDS of 21.
 
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