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Calcium reactor

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Calcium reactor for sale on largest auction and classifieds sites

Home / Miscellaneous Electronics / Calcium reactor refurbished & used for sale | For Sale USA
Viaaqua ac10 calcium reactor - ac10,

Viaaqua ac10 calcium reactor - ac10,

$69.99
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Reef octopus calreact - reef,

Reef octopus calreact - reef,

$549.00
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Calcium reactor aqua with - hc, aqua.with

Calcium reactor aqua with - hc, aqua.with

$700.00
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Calcium reactor aqua - calcium,

Calcium reactor aqua - calcium,

$650.00
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Aquamaxx ctech calcium - ctech,

Aquamaxx ctech calcium - ctech,

$199.00
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Stp wifi continuous duty - wifi, continuous-duty

Stp wifi continuous duty - wifi, continuous-duty

$439.99
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Bubble magus calcium - bubble,

Bubble magus calcium - bubble,

$210.99
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Aquaristik pro cal - pro,

Aquaristik pro cal - pro,

$249.98
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Tunze calcium reactor - calcium,

Tunze calcium reactor - calcium,

$579.99
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Two little fishies - little, remag

Two little fishies - little, remag

$25.24
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Two little fishies remag - two,

Two little fishies remag - two,

$80.76
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Bubble magus calcium reactor - bubble,

Bubble magus calcium reactor - bubble,

$250.00
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Two little fishies reactor - little,

Two little fishies reactor - little,

$158.31
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Coralazarus calcium media - coralazarus,

Coralazarus calcium media - coralazarus,

$46.79
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New basic aquatek aquarium - **new**,

New basic aquatek aquarium - **new**,

$259.99
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Peristaltic pump aquarium - pump,

Peristaltic pump aquarium - pump,

$669.59
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Two little fishies reborn - two,

Two little fishies reborn - two,

$43.11
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Two little fishies - two,

Two little fishies - two,

$57.82
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Calcium reactor injector - calcium,

Calcium reactor injector - calcium,

$85.00
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Icecap kalk small mixing - icecap,

Icecap kalk small mixing - icecap,

$346.49
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Aquac calcium reactor - aquac,

Aquac calcium reactor - aquac,

$350.00
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Reef octopus sro - reef, 5000-d

Reef octopus sro - reef, 5000-d

$800.00
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Aquarium engineering acr - engineering,

Aquarium engineering acr - engineering,

$450.00
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Lbs reborn - 8.8,

Lbs reborn - 8.8,

$47.42
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Two little fishies - fishies, 30

Two little fishies - fishies, 30

$89.00
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Seachem reef reactor medium - reef, 4

Seachem reef reactor medium - reef, 4

$33.24
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Seachem reef reactor 2 - reef,

Seachem reef reactor 2 - reef,

$35.20
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Seachem reef reactor 2 - seachem,

Seachem reef reactor 2 - seachem,

$35.20
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Aquaristik single stage co2 - aquaristik,

Aquaristik single stage co2 - aquaristik,

$139.98
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Aquatrance skimmer pump - aquatrance, 1800s

Aquatrance skimmer pump - aquatrance, 1800s

$152.45
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Gallon arm coarse high - coarse,

Gallon arm coarse high - coarse,

$39.79
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Calcium recirculation pump - calcium,

Calcium recirculation pump - calcium,

$581.40
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Peristaltic pump aquarium - peristaltic, pump,

Peristaltic pump aquarium - peristaltic, pump,

$293.99
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Marine external calcium - marine,

Marine external calcium - marine,

$69.99
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Aquaristik dual stage co2 - sr,

Aquaristik dual stage co2 - sr,

$70.00
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Reef octopus cr140 calcium - reef,

Reef octopus cr140 calcium - reef,

$400.00
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Two little fishies - two,

Two little fishies - two,

$43.11
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Two little fishies reborn kg - reborn, 1

Two little fishies reborn kg - reborn, 1

$38.75
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Peristaltic pump aquarium - peristaltic,

Peristaltic pump aquarium - peristaltic,

$427.99
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Aquarium filter sponge - sponge,, 2x

Aquarium filter sponge - sponge,, 2x

$14.99
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Kalkmedia calcium reactor - calcium,

Kalkmedia calcium reactor - calcium,

$38.49
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Geo cr510 nano - nano, calcium

Geo cr510 nano - nano, calcium

$24.95
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Icecap kalk mixing reactor - mixing, 5

Icecap kalk mixing reactor - mixing, 5

$311.84
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Lbs reborn - lbs, size)

Lbs reborn - lbs, size)

$209.24
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Icecap kalk mixing reactor - icecap,

Icecap kalk mixing reactor - icecap,

$381.14
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Seachem reef reactor large - seachem, 2

Seachem reef reactor large - seachem, 2

$22.13
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Little reborn calcium - reborn,

Little reborn calcium - reborn,

$47.42
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Seachem reef reactor large - reef,

Seachem reef reactor large - reef,

$33.24
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Eheim pump cover for - eheim,

Eheim pump cover for - eheim,

$10.99
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Brightwell aquatics neo mag - neo,

Brightwell aquatics neo mag - neo,

$44.92
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Crushed coral aquarium filter - coral,

Crushed coral aquarium filter - coral,

$23.39
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Co2 cylinder - co2, –

Co2 cylinder - co2, –

$76.99
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Reef octopus calcium reactors - reef,

Reef octopus calcium reactors - reef,

$650.00
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Peristaltic pump for - peristaltic,

Peristaltic pump for - peristaltic,

$662.50
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Crushed coral aquarium - coral,

Crushed coral aquarium - coral,

$23.39
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Marine source bio - marine, pellet

Marine source bio - marine, pellet

$89.99
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Marine color replacement - marine,

Marine color replacement - marine,

$34.99
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Two little fishies reborn - two,

Two little fishies reborn - two,

$159.82
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Cal peristaltic pump - cal-3,

Cal peristaltic pump - cal-3,

$602.99
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Pack inch ring filter - inch,

Pack inch ring filter - inch,

$61.99
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Aqua excel cr50s calcium - aqua, ae-cr50s

Aqua excel cr50s calcium - aqua, ae-cr50s

$388.94
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Caribsea arm calcium reactor - arm,

Caribsea arm calcium reactor - arm,

$44.99
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Aqua excel cr30s calcium - excel,

Aqua excel cr30s calcium - excel,

$322.24
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Gallon lbs arganonite - lbs.,

Gallon lbs arganonite - lbs.,

$29.99
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1lb crushed coral substrate - coral, substrate-

1lb crushed coral substrate - coral, substrate-

$24.99
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1lb coralline crushed - coralline, coral

1lb coralline crushed - coralline, coral

$29.99
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1lb coralline crushed coral - uv,

1lb coralline crushed coral - uv,

$34.99
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Arm calcium reactor media - arm,

Arm calcium reactor media - arm,

$46.19
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Salt water aquarium - salt,

Salt water aquarium - salt,

$5000.00
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Natural coral stone aquarium - stone,

Natural coral stone aquarium - stone,

$109.00
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Replacement inlet and outlet

Replacement inlet and outlet

$49.99
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Arid c30 calcium reactor feed - arid,

Arid c30 calcium reactor feed - arid,

$84.99
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Arm calcium reactor - arm, media

Arm calcium reactor - arm, media

$40.00
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Reborn 4kg coarse aragonite - reborn,

Reborn 4kg coarse aragonite - reborn,

$55.00
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Bubble magus calcium reactor - bubble,

Bubble magus calcium reactor - bubble,

$360.00
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Bubble magus calcium reactor - magus,

Bubble magus calcium reactor - magus,

$290.00
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Bubble magus calcium - bubble,

Bubble magus calcium - bubble,

$350.00
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Aqua excel calcium - aqua,

Aqua excel calcium - aqua,

$500.00
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Aqua excel calcium reactor - calcium,

Aqua excel calcium reactor - calcium,

$320.00
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Aqua excel calcium reactor - aqua,

Aqua excel calcium reactor - aqua,

$255.00
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Kalkwasser additive - kalkwasser, (2.75kg)

Kalkwasser additive - kalkwasser, (2.75kg)

$114.33
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Kalkwasser additive - (500g),

Kalkwasser additive - (500g),

$25.40
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📊82 listings · from $10.99 · avg $265.5
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 82 calcium reactor listings currently in our index. Prices range from $10.99 to $5000, with an average of $265.5. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about calcium reactor →

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Everything you need to know about calcium reactor

Whether you are looking for a brand-new or second-hand calcium reactor, eBay offers one of the largest selections available online. With 82 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $10.99, while premium listings can reach $5000 — giving you a wide budget spread to work with. The average price of $265.5 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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