GEO Club...

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<a href=showthread.php?s=&postid=7121101#post7121101 target=_blank>Originally posted</a> by adamg23
Is anyone using a GEO kalk reactor with the tunze osmolator? If so, are you having any problems. I thought I read something about the backpressure being too much for the little tunze pump to take. Any firsthand experiences from users would be appreciated. Thanks.
-Adam

No first hand experience but I researched the same thing a couple of months ago and was told that it burns the pumps up prematurely. George said that peristalic pumps were best for using with the kalk reactor.
hth, Chris
 
Just joined the club via 8x12 calc reactor. I'm glad I waited until I could get a GEO. I'm very impressed with the fit/finish. It was a breeze to get running.

Next to my EnvisionAcrylics tank, it's the best thing I've bought for my new system.
 
i am not a member (i will be soon), but how does the calcium reactor affect you guys pH...does it stablize your pH, or does it drop it and you have to dose with kalk water, basically what i am trying to ask is, is it a must to have a kalkreactor to keep the pH above 7.8?
 
<a href=showthread.php?s=&postid=7133735#post7133735 target=_blank>Originally posted</a> by smoknreefrs
i am not a member (i will be soon), but how does the calcium reactor affect you guys pH...does it stablize your pH, or does it drop it and you have to dose with kalk water, basically what i am trying to ask is, is it a must to have a kalkreactor to keep the pH above 7.8?

I'm just learning about the pH drop also. After hooking up my GEO-612 and a pH monitor to get a real time running tank pH measurement, I noticed that my pH fluctuates from 8.2 during the day to 7.9 at night. I'm not sure if I need to be alarmed about this or if it's normal...or what. Basically I have the same question..is this normal? Is there anythng I can do about it besides adding kalk? And is 7.8 the pH bottom limit before bad stuff starts happening?
 
codeman

it seems like you are on the right track...those pH fluctuations dont seem bad to me, that is pretty stable....
 
New member of the GEO club

New member of the GEO club

My new toy, they can't be to big right :D

geo1.jpg


It looks awesome, great craftsmanship. Thank you George for the great product.

I can't wait to get it up and running. It will probably be next week.
 
<a href=showthread.php?s=&postid=7178219#post7178219 target=_blank>Originally posted</a> by douglass
Sinistard,

What are the dimensions?

It's 40" tall overall with 8" diameter reaction chamber. It uses 2 GX-4100 pumps.
 
Yea, I'm jealous! I've got a similar one ordered that should be getting close to being done.

Keep us posted after you get it up and running!

James
 
Problem

Problem

Gen X Calcium reactor media. Anyone experiencing any problems with it?
I have a new Geo Calcium Reactor. It seems that as this media is melting, it is creating major air bubbles in my reactor which in turn makes my reactor iwork improperly and melt media too fast. Bubbles stay in reactor, therefore lowering ph significantly in reactor. Fluctuations are hard to control.

Anyone else having this problem? Solutions?

Hobby Experience: 40 years- fish only
 
I'm using that media and I found that it's pretty hard to melt. The good thing about the media is the size lets the co2 flow freely in the chamber. Are you using a ph controller? You could always bleed off some of the co2 thru the probe controller holder.
 
Placing Reactor in Basement?

Placing Reactor in Basement?

I'm considering a GEO Calcium Reactor (the Premium Aquatics model), but have a quick question since I'm running low on cabinet space:

GEO Reactor / Premium Aquatics

If I wanted to put the reactor and CO2 in the basement (but keep my sump/fuge under the tank cabinet), would I need to put some big pump on the output of the reactor to pump up roughly 13 feet like I did with my topoff system (used a Mag 7)? Or if I used a powerhead to feed the reactor from the sump, would the pressure behind the powerhead (maxijet 1200?) and dropping the 13 feet to the reactor be enough to keep things moving (since the effluent output will end up at roughly the same water level as the powerhead)?

Am I right in thinking that since the reactor is a sealed unit, the water pressure will be maintained from the powerhead to get the effluent back to my sump, or am I looking at this wrong?

Would the combined pressure of the water column in the input hose and the powerhead cause the reactor to leak??

Thanks!!
 
the reactor can be put in the basement but the water leaving the reactor will have to be put in a sump and pump up to the sump under the tank,will need a pump just move the water from the sump in the basement to the sump under the tank.If you do this make sure that the return line is not put under the water at the sump under the tank.
 
Yes Have Controller

Yes Have Controller

Why should I continually have to bleed off co2. Does not come out of unit well thru probe holder
 
You won't have to bleed it continually. If my power goes out for a while it seems to have a ton of bubbles after the power comes back on. You can tilt the reactor until the big co2 bubble travels under the probe holder fitting.
 
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