Originally Posted by
Simon P
Well, it's been almost a full year now that I've had 2 CR on 2 different set-ups work under APEX/DOS control and I have to say it has been painless and easy. No more fiddling with effluent rates changing, clogs and such. Just a rock solid set up IMHO.
I set mine up differently by just using the wizard and letting it do it's thing. I don't have issues with noise control and I wanted to show that this way works if you want to keep it super simple programming wise.
Right now I have both CR running at 25000ml/24h and a rock solid 6.6 reactor PH. My alk is is usually around 8.8-9.0. Using the DOS has made consistency a breeze.
I've heard people complain about wear and tear on the unit but I feel that this isn't any harder on the DOS as the massive and repetitive water changes some people set these up for. Besides, as far a high volume peristaltic pumps go, the DOS isn't that bad price wise so replacing one isn't that big of a deal. Go see what a good Cole Parmer pump will cost you and tell me how the noise compares to a DOS. And the Cole Parmer will not interact with your APEX anytime soon...
Just my 2 cents.
Simon
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