$200, my day off, and my new diy calcium reactor!

? Is that humor, or a serious answer? hard to distinguish dry wit in text.
isn't that what the main chamber does?
So the second chamber acts as an auxiliary calcium reactor?
 
No kidding

No kidding

As the effluent comes out of the first/primary chamber the ph is pretty low (6.8 - 7.2). The second chamber allows the natural buffering action of the media to raise the ph and in the meantime, it disolves more Calcium.

In the primary reactor, CO2 is constantly being added to lower the ph, make it more acid, but in the second chamber, the acidic effluent disolves the media, just like in the primary reactor but since no new CO2 comes in, the ph rises on it's way to the sump.

My unit is working fine. I had a bad Milwaukee regulator and had to replace it. I bought a JBJ unit and so far so good.
 
It's a serious answer.

Inside the main chamber you need to lower the pH enough to dissolve the calcium media. The effluent leaving the main chamber has a low pH which can disrupt the pH of the tank its being discharged to. People add a second chamber full of media that helps to raise the pH of the effluent before it enters the main tank. While raising the pH more calcium and alkalinity are dissolved.
 
ahhhh, so desu neh? thanks, i appreciate it. Im just at the beginning of my tank, had concluded that a calcium reactor was for now out of my price range and i hadn't read up on them (i was just planning a manual dose daily). What a great DIY!
 
Nice build. I built one this afternoon. Got to let the glue dry and get my bottle filled and I'll be up and running! Thanks for all the info everyone.
It goes perfect with my DIY tank, skimmer, sump,waterchanger,top off and kalk reactor.

105.jpg
 
Finless you might want to rotate the plumbing if you still can I think your CO2 is going to build up in that over the top loop.
 
I Picked mine up yesterday and most of the plumbing today. Has anyone setup the CO2 so it is recirculated through the main chamber.
With a T from the water going to the tank back into the intake at the bottom of the chamber excese CO2 is Pulled Back into the chamber and reused. Just my thoughts as I was walking through Lowes.
 
The design recircs co2 as it is but some people have done the tee as you mentioned. Look thru the thread as I think someone tapped and replaced the red button with a co2 line.
 
The co2 is right above the suck in side of the pump then the water inlet is above it .(left side) water out is right side. Do you think the co2 will still build up?
Also I did the cutting of the groves and drilled holes to recerculate the co2.
 
lets see some pics of the reactors . so i can get an idea how to straighten mine out . every thing go good but after @ a month i get alot c02 build up tried to turn c02 down but its hard to dail in like this i came out of the red button with a line and t it back to c02 line any suggestion would be appericated
 
Bump for an oldie but goodie.

Have a 90g I'm in the process of setting up, and remembered this thread.

Just picked up two 20" clear filter housings for $40 off Ebay, and will be starting my build once I pick up some more fittings. Too bad the OP's pics aren't working any more, but there's enough from other people, like the above post.
 
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