Free TDS meter.

Wow I'm glad you guys found it as well. I found it thru nano-reef website. I thought I'd let you guy in on it but some one beat me to the punch.

Did you know you can just as easily order a second for free:)
 
Not anymore. It looks like they are either out of stock of the manufacture caught on and stopped offering it. :(
 
I got mine yesterday, but the batteries are completly dead. Guess thats a small price to pay for being free. :)
 
My batteries were also dead. But the replacment batteries that were in it were not dead and it seems to work pretty good. I am getting 2 ppm out of my RO. The filter is still the original about 16 months ago. :)
 
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