calcium reactor

  1. E

    Does calcium reactor internal circulation matters?

    I'm wondering if the circulation pump that circulates the water within the calcium reactor matters or not?
  2. F

    California Dosing Drygoods MTC Pro Cal Calcium Reactor (NEW!!!)

    Been hoarding this for years. Those of you who know what it is know how rare these are to come across. Considered the Ferrari of calcium reactors that run rock solid for years. Hate to get rid of it, but would rather see a die hard sps keeper put it to work. Paid $600 for it. $500 will take it...
  3. Striperviper

    Suppliments Package Deal Drygoods Geo 818 full reactor setup. Like new.

    This is for a total TOP OF THE LINE calcium reactor setup. I used it for 6 months and just wasn’t happy with it and went back to dosing. Comes with everything you need as listed below. Selling it as a package. $1,000. Everything comes with all the original parts. -Geo 818 reactor -Kamoer...
  4. Striperviper

    Dosing Package Deal Drygoods GEO calcium reactor. FULL SETUP

    This is for a total TOP OF THE LINE calcium reactor setup. I used it for 6 months and just wasn’t happy with it and went back to dosing. Comes with everything you need as listed below. Selling it as a package. $1,000. Everything comes with all the original parts. -Geo 818 reactor -Kamoer...
  5. m.kristoff

    Ohio Drygoods SOLD Calcium reactor, Alkatronic

    switched over to fish only and no longer need this equipment. I would like to sell as a package. Alkatronic with Bluetooth plug- Purchased Sept 22 ReefOcto CR200 DC Calcium reactor - Purchased Dec 22 Kamoer FX-STP dosing pump. Purchased Dec 22 Carbon Doser V2. Purchased Dec 22 PM1 with PH Probe...
  6. K

    Calcium reactor and Apex

    Hello all, new to the site but not reefkeeping. In the process of setting up a calcium reactor (reef octopus CR-140) trying to program my solenoid valve and there are a few conflicting programs I’ve seen on how to do this. I thought I would have a second PH prob being (pH_Tan) as a back up...
  7. edvar

    Pacific Sun IBR or Reef Octopus CalReact 200 calcium reactor for a 200g reef, which is the better?

    Dears, I need to choose a calcium reactor for a 200g reef (SPS and LPS), but in my country it doesn't have many options, in this case for a SPS reef witch is the better the Pacific Sun IBR 200 or Reef Octopus CalReact 200?
  8. Benpastw

    Virginia Washington, D.C. SOLD Carbon Doser V2 NEW

    New in box Carbon Doser V2 asking 360 shipped.
  9. S

    Miscellaneous Dosing Drygoods Brand new carbon doser

    $400 shipped never used never touched water. grab it now!
  10. R

    Kansas Return Pumps Miscellaneous Drygoods Vectra S2 SOLD, sicce return pumps, calcium reactor

    Hey I have some used equipment for sale. All prices include shipping 1. vectra S2 pump. 200 SOLD 2. Sicce return pump - 60 3. Sicce return pump - 60 4. Red Sea wavemaster pro - 60 5. Skimz Cm-122 calcium reactor w/regulator-245
  11. ehutchby

    North Carolina Media Drygoods Octopus Calcium Reactor CalReact 200, Carbon Doser regulator, ARM media and tank

    Brand new in the box Octopus Calcium Reactor CalReact 200. See the dimensions in the picture. I also have a brand new Carbon Doser CO2 Regulator, 5lb bottle full of CO2 (local pic up only) and new ARM media. $950 for it all. It cost over $1,300 new. I will part it all out too. Shipping is...
  12. D

    Washington, D.C. Miscellaneous Drygoods SOLD Brand New Aquamaxx S-3 Calcium Reactor

    Biggest darn calcium reactor I have ever seen. Never wet! Got it as a raffle prize but never used. Comes with Sicce Syncra 2.0 pump and all parts. Media chamber is 8" diameter and ~18" tall. Easily handles a 1,000 gallon system. Or...fill it up and let run forever before having to add...
  13. J

    Texas Dosing Drygoods Calcium reactor & Carbon doser regulator, Brand new still in box.

    Brand new still in box Carbon Doser regulator for calcium reactor. With still in shrink wrap vertex rx-c 6D calcium reactor. Willing to ship on buyers expense. 275 for carbon doser regulator 350 for Vertex RX-3 6D calcium reactor.
  14. Ultra Aquatics

    New York Misc. Pumps Drygoods Geo 818 Calcium Reactor, 2nd chamber, Masterflex

    Going a different direction with my rebuild so posting these. $600 Shipped - GEO 818 Calcium Reactor with Second Chamber- Less than a year old with little use. $250 Shipped - Masterflex 7523-70 - Have had this for a few years now and it is a complete WORKHORSE. Comes with extra tubing and is...
  15. Dennis Cartier

    Super Saturated Small Media Bed Reactor Theory

    This thread is to study the effects of operating a super saturated small media bed CaRx (S3MBR) using the super saturation of CO2. The premise is that a S3MBR should be able to to achieve performance equal to, or exceed the performance of traditional larger CaRx reactors that rely on media...
  16. pandaparties

    Arizona Media Drygoods Tunze 3172 calcium reactor + GLA regulator

    Used for about 6 months and then took offline, too much production for me currently. Asking 550$ for both and I'll throw in an apex ph probe. Willing to ship for additional Reactor, probe, media, 2 stage GLA regulator all for 525$
  17. gig 'em

    Texas Sumps Package Deal Drygoods Multiple aquariums and equipment package deal

    *Please not that this is a package deal* I’m helping a friend liquidate his aquarium collection before he moves out of country. He’s very busy with the move and prefers selling it all as one if anyone is interested in parsing it out themselves. A lot of new equipment that hasn’t been used as...
  18. E

    Testing Miscellaneous Drygoods Moving sell, must sell equipment ASAP

    Selling some equipment I won’t be using anymore, carbon doser v2 with warranty still valid, have only been set up for 5 months, xepta autobalance automatic alkalinity tester/doser , 100 gal calcium reactor, with media that’s inside and new media Container unused Carbon doser v2: 250 plus...
  19. S

    Miscellaneous Dosing Drygoods Apex, ai prime 16hd, calcium reactor, aqua Uv sterilizer, Hanna checkers

    All used equipment! 3 x AI Prime 16hd with prime tank “arm mounts”. 1x white 2x black…. Needs new lenses which are $4 each off their website. Asking 165$ shipped each. All 3 for 450$ aqua ultraviolet 15 watt UV sterilizer. Needs bulb. 75$ shipped hanna checkers 35$ each shipped will need...
  20. W

    Florida Coral Foods Package Deal Drygoods GEO CR612X2 CALCIUM REACTOR Red/White

    Geos Reef CR612X2 Calcium Reactor, Carbon Doser C02 regulator, feed pump with needle valve, practically full C02 tank if picked up locally along with reborn and remag media included, this setup ran for about 3 months until I decided to scale back and focus on my smaller tank 650 for the entire...
  21. A

    Aquariums Aquarium Controller Package Deal Drygoods BLACK FRIDAY - The Motherload - Neptune, APEX, Ecotech, Radion, Vortech, Tunze, Deltec, BRS, Red Sea, Inkbird, Lifereef, IM, JBJ, Eshopps, Fluval, Aqu

    Happy Thanksgiving Everyone!! I've accumulated a bunch of stuff over the years. All lightly used, low mileage, many still with original boxes, some new and never used. I'm a bit nuts and I keep changing my mind. I buy stuff, maybe try it, maybe not, always looking for the next best thing. I...
  22. A

    New York Plumbing Dosing SOLD LifeReef Calcium Reactor LCR2, w' Quick-Disconnects and Rio Plus 800 Aqua Pump

    Decided not to sell.
  23. W

    California Dosing Drygoods CARX setup

    Vertex cd6 reactor $300 Aquarium plants regulator $250 SOLD Master flex 7523-60 $400 2-5lb c02 tanks $150 SOLD $1000 for Local pickup Willing to ship.
  24. Juano908

    Suppliments Media Drygoods FS Geo Reef CR624 Calcium Reactor Full Setup

    Geo Reef CR624 for up to 400 gallons includes a 10 lbs CO2 tank, ProStar Lab grade custom built CO2 regulator, Kamoer continues flow pump and basically a 44 lbs box of Reborn media. $650 pickup only, cash and carry
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