Dr. Tim's Aquatics Ammonium Chloride Solution for Cycling Aquariums, 2-oz bottle

By Dr. Tim's Aquatics
Rated 4.56 out of 5 stars
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About This Item

  • Reagent-grade ammonium chloride for use during fish-less cycling.
  • 50 mg/L of total ammonia-nitrogen (TAN) concentration.
  • Pre diluted ammonium chloride makes fish-less cycling easy and establishes aquarium biological filtration.
  • Concentrated ammonium chloride solution treats up to 1,200 gallons. The pre-measured formula is easy to use; 4 drops per-gallon equals 2 ppm ammonia-nitrogen.
  • Does not contain scents or other dangerous additives.

Compatibility

Related Item

Be sure to pair this trusted ammonium chloride solution with Dr Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, Reef Aquariums, or Saltwater Aquariums to meet your needs.
### Special Note 2-oz bottle treats up to 300 gallons.

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Customer Rating
Rated 4.56 out of 5 stars
25
Rated 3.4615 out of 5 stars
13
Rated 4.5 out of 5 stars
10
Rated 5 out of 5 stars
7
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Price
$4.69Chewy Price
$6.59Chewy Price
$7.64Chewy Price
$5.99Chewy Price
$4.54Chewy Price
Autoship
$4.46Chewy Price
$6.26Chewy Price
$7.26Chewy Price
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$4.31Chewy Price
Top IngredientsAmmonium chloride—Sodium Hydroxymethane Sulfinate.——
Fish TypeTropical Freshwater, Marine Fish, Cichlid...Tropical Freshwater, Betta, Cichlid...Tropical Freshwater, Marine Fish, Goldfish, CichlidTropical FreshwaterTropical Freshwater, Marine Fish, Betta...
Aquarium TypeFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, SaltwaterFreshwaterSaltwater, Freshwater

Questions & Answers

6 Customer Questions

IS IT ONE DROP PER GALLON OR 4 DROPS PER GALLON
Answer by Chewy • Jun 08, 2019
It's recommended to add 4 drops of solution per gallon of aquarium water to achieve an ammonia-nitrogen (NH3-N) concentration of 2 mg/L-N (2 ppm).
My reef tank will be 88 gallon with a 24 gal sump. How much ammonia should I use? Would I dose a tablespoon plus a teaspoon? I see that would be equal to 400 drops. Correct?
Answer by Chewy • May 27, 2020
It is recommended to use 4 drops of solution per gallon. 1 drop equals 0.05 ml so this 2 ounce bottle will treat 300 gallons (1,135 liters), one time to a concentration of 2 mg/L TAN. For an 88 gallon tank, you'd need to dose approximately 352 drops which would be equivalent to a tablespoon and 1/2 teaspoon. Some helpful conversions are below: 1 drop equals 0.05 ml 1 ml equals 20 drops 1 teaspoon equals about 5 ml which is 100 drops 1 tablespoon equals almost 15 ml which is 300 drops
Can this be used to cycle a tank with Fluval Cycle?
Answer by Chewy • Nov 26, 2020
It is recommended that this solution be paired with Dr Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, Reef Aquariums, or Saltwater Aquariums to meet your needs.
is this good to jump start a saltwater aquarium
Answer by Chewy • Jan 09, 2020
This prediluted ammonium chloride makes fish-less cycling easy and establishes aquarium biological filtration an is recommended to be used with Dr Tim's Aquatics Live Nitrifying Bacteria for Saltwater Aquariums.

ReviewsWrite a Review

4.6
Rated 4.56 out of 5 stars
25 Reviews
96%
Would recommend to a friend
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8%
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25 Customer Reviews

Rated 5 out of 5 stars
By ReefinInFlorida on May 3, 2022

Very concentrated and strong.

Add this with caution. If you're unsure start with a smaller amount as it will definitely raise your Ammonia levels very high and very quickly. Great way to jump start a fishless cycle for any aquarium.

Rated 5 out of 5 stars
By smurray on Feb 1, 2022

GOOD PRODUCT

Product works as stated....would recommend for starting an aquarium cycle

Rated 5 out of 5 stars
By Eero on May 6, 2021

Measure with a syringe

Instructions on the bottle are in drops, 4 drops per gallon raises ammonia to 2ppm. But! The drops the come out of the top are bigger than normal drops! Dont overdose your tank, measure with a syringe or teaspoon (1tsp=100 drops=25gallons) Works great and as intended when you measure properly.

Rated 5 out of 5 stars
By FishMom on Mar 10, 2021

Pretty good

I'm new to the cycling process but this speeds things along. I was "ghost feeding" to get my ammonia reading and that was going to take awhile. The only thing is for a 20g tank the 4 drops per gallon brought my ammonia reading to 4ppm instead of the listed 2ppm. No problem, just be aware. It took a week to build nitrites and nitrates, but once ammonia/nitrite read 0/.25 I redosed with ammonia and went right back to 4ppm. Waiting til it drops to 0/0 and then I can add my fish to his new tank! Looking at 2-3 weeks vs 6-8 weeks. Win!

Rated 4 out of 5 stars
By Matthew187 on Feb 8, 2021

Directions are not correct

Product works great for dosing ammonia. A lot safer than hardware brands that you dont know what else has been added. However start with 1 drop per gallon and test and and go up from there. As a lot of people say 4 drops per gallon is way to much. I ended up at 2 drops per gallon to get to 2PPM. Also be sure to dose to the actual gallons of water in your tank not the aquarium size. You can easily add to much.

Rated 5 out of 5 stars
By Ireland on Apr 26, 2021

Useful for fish!

I’ve heard good things about this and decided to get it for future tank cycling!

Rated 5 out of 5 stars
By Tony on Apr 12, 2021

Cycling Your Tank

Best way to add ammonia to your tank for non fish cycling.

Rated 5 out of 5 stars
By Connor on Feb 19, 2021

Works great

Got this to cycle one of my tanks and it does it’s job well. It’s way better to do a fish less cycle

Rated 5 out of 5 stars
By Ryan on Dec 7, 2020

Great product, amazing turnaround time

I am starting a fishless cycle. I ordered this on a Sunday morning and then received it just about 24 hours later. I was not expecting that and couldn't be happier with both the product and Chewy.com

Rated 5 out of 5 stars
By ScottishPrincess on Sep 30, 2020

Cheap and Easy

I feel that using fish to cycle a tank is not humane, so I opted to do a fishless cycle using this product along with a bottle of beneficial bacteria to cycle my tank. I had established media that I borrowed from one of my other tanks, but needed to triple the capacity as this new tank was huge. This product worked GREAT. As others have stated, the dosage as instructed seems to be too high. I used 1 drop per gallon of water and it worked perfectly, granted I already had colonized media in my filter, so maybe 2 drops/gal would be ideal for a brand new tank.