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Are electronic pH monitors like this one any good?

http://www.thatpetplace.com/Products/KW/milwaukee/Class//T1/F55BB+0288+0003/EDP/32613/Itemdy00.aspx

Hi,
I cannot speak for that specific monitor.
This is the one I have:
[link=http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4482&N=2004+113762]http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4482&N=2004+113762" style="COLOR: #FF00FF[/link]

I've had it for a number of years (10) and have replaced
the battery in it when the "lobatt" shows on the screen.
I have a soft bristle tooth brush that I use to clean the
probe every week or so, and calibrate it annually with
the solutions.

Early on I found I simply could not distinguish the
difference between say, 6.8 and 7.0 etc.. I leave the
monitor probe and the monitor turned on 24/7 as I inject
CO2 24/7/365.

Frank


-->>> The Confidence of Amateurs, is the Envy of Professionals <<<--

Frank you're a marvel. It gets a little clean with the brushy thing every week. You are so meticulous. If I was an item of aqua paraphenalia I would want to live at your house. A bit to the left with that brush...ahhh that's nice.

~~~~~~~~~~~~~~~~~~~
~~~ My fish blow kisses at me all day long ~~~

I have American Marine's pinpoint pH monitor and I'm very happy with it.

-Formerly known as the Ferretfish

Thanks for the info everyone. I was looking at the PinPoint too. From what I read it is more accurate than the Milwaukee. I've read a number of user testimonials about how good the PinPoint is.

I too am having a tough time reading all the color charts.