Do electronic Calcium Moniters work?

[rookie07]

Im reffering to the American Marine pinpoint Monniter: For Calcium

Ive read bad reviews online.

 

[Deanos]

They work.

 

[pecan2phat]

You use one Dean?

 

[Killerdrgn]

Here's an article to read if you haven't read this already.
FYI he doesn't use them anymore.
http://reefkeeping.com/issues/2005-04/rhf/index.php

 

[Deanos]

You use one Dean?

Nope, I read the article linked above awhile ago. The bad reviews I've read didn't seem to say otherwise. It appeared people wanted constant monitoring like Pinpoint's pH monitor.