Home > Reactors > Calcium


Feb 15 (47 hours ago)
Replacement OTP 2000 pump
Purchased new OTP 2000 pump for calcium reactor. Original impellor went bad and ruined the housing. I did try to replace the impellor but it's still grinding away. I ordered a replacement from coralvu...
Sep 04 (5 months ago)
CR140 sponge
I bought a used CR140 calcium reactor and it did not have the sponge, where can I get replacement sponge or buy it by the sheet and cut my own. Are you looking for both sponges? How many sets do you ...
Jun 14 (8 months ago)
Can you swap out CR5000 pump for CR220 pump?
I have a CR5000 with the Water Blaster Blaster 3000 pump and the vibration is just a bit loud under the stand. I was wondering if this can be replaced by the VarioS 6 Pump that's on the CR220? Thank ...
Apr 11 (10 months ago)
KS100 Nilson Kalk Reactor
Hi, I would have the two following questions regarding my KS100 Kalk reactor: - The lodicules on my reactor are sticked together at the bottom of the shaft instead of having 1-2 inches between it. I...
Nov 07, 2016
CR-140 Dual Chamber Calcium Reactor - (b: valve 02 - on drawing) should this be open or closed
Hello - I am using this reactor on a 250 gallon Heavy Demand SPS tank and I am going through one 40lb bottle a month. There are no leaks as this has been tested more than a few times. I am dosing 58...
Nov 03, 2016
Vent valve on my CR140D calcium reactor
My CR140D calcium reactor has a vent port with an inline control valve on top of first chamber of the reactor. While I understand the valve should be open when doing initial set up of the reactor so a...
Oct 31, 2016
Humming/Vibrating noise
I have a Reef Octopus CR-150 and im experiencing a humming/vibrating noise from the pump. I took apart the reactor to clean it and make sure there was no loose debris floating below making the noise....
Sep 06, 2016
Calcium Reactor CR150
Hi, I currently came to aquire a CR-150 (I believe) calcium reactor. I seem to have air coming in to the chamber where the media is, seems to be coming in from the pump that supplies water to the rea...
Apr 11, 2016
I have a Octopus calcium Reactor with a OTP1000 pump. I have had it for about 1 year and have had to replace the pump twice and its already making a lot of noise so its going to have o be replaced aga...
Apr 01, 2016
CR 140
Hi.. I have one of these set up...but I'm getting air in the output line... how can i resolve this? Thanks Most likely it is not air but excess CO2. You may be injecting too much CO2 too fast. Hi C...
Jan 19, 2016
Setting up RO CR-3000D
Hello, Just received my new calcium reactor, CR-3000 Dual Chamber but the instructions have much to be desired. There are two sponge pads in each chamber. I assume I put the more course (bigger holes...
Oct 06, 2015
What Dual chamber Calcium reactor would you recommend for 700-1000 Gallons? Mike Here you go... http://www.coralvue.com/reef-octopus-sro-cr5000d-calcium-reactor
Dec 08, 2014
Octopus cr100
We are a retailer who has dealt w you previously. One of our customers is looking for replacement parts for CR100 Calcium Reactor Do you supply parts? Thanks Catharina n Mike Yes, we have parts for ...
Jul 16, 2014
reef octopus kalkwasser stirrer ks-100
Can I order a replace motor and transformer for my reef octopus kalkwasser stirrer ks-100? How much? Please contact our sales office at 985-718-1467 for pricing and availability. Your ticket has been ...
Dec 30, 2013
CR3000 D Reactor
Just got the CR3000D reactor in the mail. Question:In the photos of the unit there is two brackets in the chambers. One in each chamber. The clear bracket.http://www.coralvue.com/reef-octopus-sro-cr50...
Dec 23, 2013
Setup for Ca Reactor -
I'm second owner to the Rx4 - need some help since I have never done a Ca reactor before. I have the media, the Rx4 and all the tubing, the solenoid/CO2 canister, and an APEX - The tank is 90 gal, ape...