Purely H20 RO/DI

[AdeptMrSniffles]

http://www.purelyh2o.com/index.php/h2o-test-meters.html?page=shop.browse&category_id=7

If you didn't want to spend more than $170 which would you buy?

 

[bjohanson1234]

Check out www.bulkreefsuply.com

I got a 5 stage one that also included a TDS meter for around 175. Plus the customer support from there is great.