Korallin Ca Reactor Setup Instructions

does anyone "t" off the air vent into the "intake" line to reuse undissolved CO2 that accumilates in the top of the chamber?
 
i set up my korallin 1502 about 2 wks ago because it was nearly impossible for me to keep up with the calcium required for my sps and clams. so far, i am very impressed. was a little tricky following the instructions, but the most important thing is to set up a nano jet which will provide a constant supply of water into the reactor. i bought a pkg deal with the c02, eheim pump, media, etc. i think that helped the ease of set up rather than trying to rig different pieces together. my ca was only 300 the day i set it up. took about a week for it to kick in as i fine tuned the drips and bubbles. tested the ca and it was 400, now it is up to the ideal level 440. it dropped my alk and ph a bit so i have increased the bubbles to 20/min and drops 60/min. going to let it sit for another week, then retest.
 
I just purchased the Koralin 1502 but I am having a hard time figuring out how to plump the reactor. I have a maxi jet900 that I was going to use, but I do not know if that is going to be too much pressure. any thoughts?
The other issue im having is how to plumb the maxi jet to the reactor. The input requires 1/4 inch tubing but the maxi jet is 3/4 inch tubing. What am I missing here?
 
question for dragon_slayer

question for dragon_slayer

will the co2 from my calcium reactor ( korallin c 1502 ) desipate and not be in the return water to the sump ?
thanks for your help
reinhard
 
well Im not 100 percent sure I understand the question but the water going to the sump will be at a low ph of you hope about 6.5 so the co2 is how the ph is lowered. the lower ph is how u slowly desolve the media to maintain cal and alk levels. so the co2 will still be in the water going to the sump as it should go into the sump at about 6.5-6.7 I hope this helped answer your question?
 
Couple ?'s for ya
After setting up does outlet#1 remained closed, what's its purpose? I must have misread somewhere??
Also you said keep psi at 15psi but the gauge that came with my controller (Carbondoser) only reads up to 15psi, I was told from a buddy to keep it between 1-3psi? Any help would be appreciated and Ty in advance !
 
Hmm that is interesting I just use standard gauges than a Milwaukee controller to control the co2 but my gauge reads 15, I wonder why when you use the Carbondoser it would be so different because I heard and seen those set at 3 psi.

As far as outlet #1 I believe if your using a small powerhead to pressurize the reactor slightly you need to set it at one drop every 30 second to one minute, I got mine at a little faster than that because I just use those screw type pinch clamps and any less than that and it doesn't drip at all and if it doesn't drip at all I find I have a build up of co2 inside the reactor and it will push the water down below the outlet tube of #2 and it will stop dripping even if you open the pinch clamp all the way. The first time that happened it baffled me for a minute.

All in all I've been rally happy with it, just wish they made better pinch clamps

Couple ?'s for ya
After setting up does outlet#1 remained closed, what's its purpose? I must have misread somewhere??
Also you said keep psi at 15psi but the gauge that came with my controller (Carbondoser) only reads up to 15psi, I was told from a buddy to keep it between 1-3psi? Any help would be appreciated and Ty in advance !
 
Regarding the check valve issue. it seems I have the brass valve and another cheapy valve after that. It's been like that for years. Do I only need one check valve? I don't know why there are 2 but it's always been that way.
Thanks!!!
 
Dragon_Slayer, GREAT instructions on the setup of the c1502. But I'm confused on the effluent dkh. You say 25 dkh is a good start and I guess we aim for 30-50. How do I measure that? My salifert kit only goes to 15.7 dkh.
 
All you have to do is dilute your sample with RO-DI water. Dilute it 50/50 and then multiply your results by two. If you dilute it 75%RO-DI/25% sample, then multiply your results by 4.
 
This is great info and the instruction make it easy to setup. I have a question on #2 outlet. Some how I cant keep the drip rate 2 per minute. Im currently using aqualifter as a feeding pump. Is it ok if my #2 outlet drip rate are much higher. May be 10 per minute? Thanks
 
Hi, I have had my 1502 forever and honestly I am about to give up but thought I would post here first. Every other day, it stops dripping effluent. I don't have a powerhead (maybe it's what I need?) but I do have the recommended Tom's aqualifter pump. Everytime it appears to lose suction, I unplug the tube from the pump to the reactor and water is pressurized and flows out the opposite way (into the aqualifter pump). I have tried opening the 2nd valve and doing a super slow drip rate but even that doesn't seem to work. Any ideas? Is it just that I need a stronger pump like a powerhead? If so, any recommendations?
 
Mine worked best with the 2nd valve open to pretty good consistent drip, when that valve was closed mine would always build up with air/co2 in the top and stop.

My tank eventually outgrow the capability of the 1502 and I switched to a dosing pump and my tank became way more stable than it was with that reactor.



Hi, I have had my 1502 forever and honestly I am about to give up but thought I would post here first. Every other day, it stops dripping effluent. I don't have a powerhead (maybe it's what I need?) but I do have the recommended Tom's aqualifter pump. Everytime it appears to lose suction, I unplug the tube from the pump to the reactor and water is pressurized and flows out the opposite way (into the aqualifter pump). I have tried opening the 2nd valve and doing a super slow drip rate but even that doesn't seem to work. Any ideas? Is it just that I need a stronger pump like a powerhead? If so, any recommendations?
 
My 1502 was a pain in the a-- until I purchased the Cole Parmer MasterFlex pump ever since I hooked it up using this pump I switched to the pull through method and it is absolutely flawless! This is the only way to go in my opinion. I can adjust the effluent and the DKH to create just as much control as if I were using two part and a doser for a 1/10th of the price! ( after initial investment that is) LOL
 
Just found this thread because I too am about to give up on the Korallin. I've tried several different pumps and consistent drip rates appear be impossible. I'm not going to spend two to three thousand dollars on a Masterflex pump so please someone tell me there's a realistic option out there.
 
Just found this thread because I too am about to give up on the Korallin. I've tried several different pumps and consistent drip rates appear be impossible. I'm not going to spend two to three thousand dollars on a Masterflex pump so please someone tell me there's a realistic option out there.

EBay 250-300 for used MasterFlex. I highly doubt anyone setting up using this method is paying retail for one of these pumps....if they are they have deep pockets!
 
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