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Kordon
Kordon AmQuel Plus

Kordon AmQuel Plus

Last price we saw

$2.94at AnimalWiz.com, last seen Oct 31

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Our take on the Kordon AmQuel Plus

Kordon AmQuel Plus is a liquid water conditioner for freshwater and saltwater aquariums. One teaspoon (5 ml) treats 10 gallons and removes chlorine plus ammonia, nitrite and nitrate, so it covers both tap-water prep and new-tank ammonia spikes. It is sold in 1-oz, 4-oz, 8-oz and 16-oz bottles; the 16-oz size treats about 960 gallons. The best new price is $6.97 at eBay as of November 4, 2026, and only one store lists it new, so there is little price competition to shop around.

Best forSetting up a new tank with tap waterAmmonia or nitrite spikes in a stocked tankOwners who want one conditioner for chlorine and nitrogen waste
Small tanks where a 1-oz bottle lasts months
Pros
  • Removes chlorine and detoxifies ammonia, nitrite and nitrate in one dose
  • Dose is easy to scale: 5 ml per 10 gallons
  • Long shelf life, so a large bottle keeps
  • Works in fresh and salt water
  • Small bottle sizes suit nano tanks
Cons
  • Only one new listing at $6.97, so no real price comparison
  • Dosing is by volume, so you need a syringe or measuring spoon
  • Ammonia capacity is modest at 1.2 ppm per dose
  • Not a substitute for water changes or a cycled filter

Kordon AmQuel Plus prices at every store

  • eBayCheck price at eBay
  • AmazonCheck price at Amazon
  • BimBimPetCheck price at BimBimPet
  • eBayCheck price at eBay
  • AnimalWiz.comCheck price at AnimalWiz.com

Kordon AmQuel Plus price history

Lowest price we've seen: $2.94 on Oct 31 at AnimalWiz.com. Tracked across 5 stores since Oct 31.

What reviewers say

Owners of small and quarantine tanks tend to rate AmQuel Plus well for handling ammonia and nitrite between water changes. Complaints center on the small ammonia capacity per dose and the need to redose in a spike.

Pros
  • Clears chlorine quickly at water changes
  • Helps hold ammonia down in quarantine and hospital tanks
  • No strong smell and easy to measure
Cons
  • Needs repeat dosing for larger ammonia spikes
  • Bottle sizes run out fast on big tanks
  • Measuring 5 ml without a syringe is awkward

Specifications

Dosage
1 teaspoon (5 ml) for each 10 gallonsSource
Chlorine removal
removes chlorineSource
Ammonia removal
1.2 ppm of ammoniaSource
Nitrite removal
2 ppm of nitriteSource
Nitrate removal
13 ppm of nitrateSource
16-oz coverage
treats 960 gallonsSource
1-oz coverage
treats 60 gallonsSource
4-oz coverage
treats 240 gallonsSource
8-oz coverage
treats 480 gallonsSource
Item form
LiquidSource
Shelf life
long indefinite shelf life expected to be many yearsSource

Questions and answers

Is AmQuel Plus worth it over a plain dechlorinator?
If your tap water is chlorinated and your tank is cycled, a cheaper dechlorinator does the same job. AmQuel Plus earns its price in new or quarantine tanks where ammonia and nitrite need binding.
How much does one dose remove?
Each 5 ml per 10 gallons removes chlorine and binds about 1.2 ppm ammonia, 2 ppm nitrite and 13 ppm nitrate. Test after a spike and redose if levels stay high.
How long does a bottle last?
A 16-oz bottle treats about 960 gallons, roughly 96 ten-gallon water changes. The 1-oz bottle treats 60 gallons, enough for a nano tank for months.
Does it work in saltwater tanks?
Yes, it is labeled for fresh and salt water. Dose by total water volume, not tank size, when you have sumps or large displacement.
When is it cheapest?
The only new listing found was $6.97 at eBay as of November 4, 2026. With one seller, watch for restocks rather than expecting a sale.
Does it replace cycling the tank?
No. It binds ammonia and nitrite temporarily; the tank still needs a cycled filter and regular water changes to process waste.
Where can I buy the Kordon AmQuel Plus?
4 stores we checked sell it, including eBay, Amazon, BimBimPet, AnimalWiz.com.

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