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Wait....I am working out equations....it is a bad day for me today....
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Sorry if you are having a bad day Victor.. [img]images/smiles/icon_sad.gif[/img] those bite.. Usually all modays are like that for me.. [img]images/smiles/icon_biggrin.gif[/img]
But that aside,
Equations mean squat to me. I work in electronics and laymans terms in reef-keeping I am not a chemist. When I go to school to learn chemistry I will look at them. I understand in easy to decipher words and sentences. I see equations and such in a post and I skim over them. You may as well write in greek for all that it is worth. [img]images/smiles/icon_biggrin.gif[/img]
I know you know the equations. We all do. I can go get them all off boards or other online sources if I want. Personally I don't. Those formulae are useless to me. They are pretty but.
What I think it comes down to is that your Ca reactor is not doing what you think it is. Post the equations in the chemistry forum on RC and also post what you are having to do with your tank to keep Alk up along with your tanks parameters. Talk to a chemist and I am sure you will see what I and others are trying to convey to you. Something is fishy in your reactor.
First you need to have a lower effluent flow rate to get the Ca and buffering out of that piece of equipment. Too high a flow and too low of a CO2 rate and you get water passing through with no dissolving of media and thus no Ca or buffering happening in your system from your reactor. The best indicator of this is that you have to boost your Alk.
The first thing you shoudl think when you are having to boost your Alk is that my reactor is
not keeping up. If it is not keeping up I need to do something such as;
<ul type="square">[*]Increase bubble rate of CO2, keep flow rate the same, to drop pH of effluent to increase buffering[*]Slow down efflunet flow rate. Keep CO2 the same. This will increase buffering due to the decreased pH of the effluent.[*]all of the above[/list:u:fd90559103]
Your system is telling you something. Adding buffer is making up for what your reactor is not doing. If your tanks Alk is dropping due to consumption why not use the Ca reactor as it was meant to be used? It is an adjustable device there to do a job so you don't have to do it.