Free TDS meter

[cardgenius]

http://www.nano-reef.com/forums/index.php?showtopic=136512&st=0&#entry1357977

I saw this on NanoReefs. Seems like it works. I just orderd one for no cost at all. Just make sure to use the Google checkout and choose the bargin shipping for free.

 

[Hypertek99]

Sweet find. I just ordered mine. Total was $0.00

 

[ficklefins]

I've already got one, but you can always use a backup!

 

[reef-lover]

Sweet. Good Looking Out.