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$$74.38 () Includes selected options. Includes initial monthly payment and selected options. Details
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Seachem Prime Concentrated Conditioner 2 Litre, 2 Liter

4.8 4.8 out of 5 stars 37,625 ratings

$74.38
on any 2 qualifying items | Terms
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2 l (Pack of 1)
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Purchase options and add-ons

Brand Seachem
Liquid volume 2 Litres
Item weight 2.22 Pounds
Item form Liquid
Target species Fish

About this item

  • Complete and concentrated conditioner for both fresh and saltwater
  • Removes chlorine, chloramine and detoxifies ammonia, nitrite and nitrate
  • 5X more concentrated dechlorinator
  • Detoxify any heavy metals found in the tap water at typical concentration levels
  • Converts ammonia into a safe, non- toxic form that is readily removed by the tank's biofilter

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Product description

Seachem Prime is the complete and concentrated conditioner for both fresh and saltwater. It is up to 5x more concentrated dechlorinator. Removes chlorine and chloramine. It contains a binder which renders ammonia, nitrite and nitrate, allowing the biofilter to more efficiently remove them. Detoxify any heavy metals found in the tap water at typical concentration levels. Converts ammonia into a safe, non- toxic form that is readily removed by the tank's biofilter. It may be used during tank cycling to alleviate ammonia/nitrite toxicity. Non-acidic and will not impact pH. Use at start-up and whenever adding or replacing water. Available in 2 litre can.

Important information

Directions:

Use 1 capful (5 mL) for each 200 L (50 US gallons) of new water. For smaller volumes, please note each cap thread is approximately 1 mL. May be added to aquarium directly, but better if added to new water first. If adding directly to aquarium, base dose on aquarium volume. Sulfur odor is normal. For exceptionally high chloramine concentrations, a double dose may be used safely. To detoxify nitrite in an emergency, up to 5 times normal dose may be used. If temperature is > 30 °C (86 °F) and chlorine or ammonia levels are low, use a half dose.

Customer reviews

4.8 out of 5 stars
4.8 out of 5
37,625 global ratings

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Customers say

Customers like the quality, value, and water quality of the aquarium pond water treatment. For example, they mention it works like a charm, it's good value, helps with water quality, and is the perfect alternative to make more fresh water.

AI-generated from the text of customer reviews

17 customers mention17 positive0 negative

Customers are satisfied with the quality of the aquarium pond water treatment. They mention that it works like a charm and is of excellent quality.

"Works like a charm, I am a very casual fish owner. We've had gold fish for over 8 years and I have yet to lose them...." Read more

"Quality item and very happy with this product ." Read more

"Its little expansive as compare to others. But results are great" Read more

"Cheapest I have seen. Great product" Read more

7 customers mention7 positive0 negative

Customers appreciate the value of the aquarium pond water treatment. They mention that it is a great seller and has fast postage.

"...is the best water conditioner around so to find these at such a relatively low price was a real gift I felt. GO for it! :-)" Read more

"I have three tanks on the go so this large size is great value and convenient." Read more

"Good value for money will buy again" Read more

"fair price for good product" Read more

5 customers mention5 positive0 negative

Customers are satisfied with the water quality of the aquarium pond water treatment. They mention that it helps with water quality, is the best product for conditioning water, and is the perfect alternative to make more fresh water. They also say that it is a perfect product to add to water after water change.

"...I would like to think using Prime has helped. Really helps with water quality even after not changing water for sometime." Read more

"Never miss to use this every after watwr change. Best conditioner for your tap water. Will always buy this." Read more

"...This is the perfect alternative to make more fresh water really quickly and without hassle." Read more

"Perfect product to add to water after water change. Awesome product highly recommended!" Read more

Prime 2L
2 Stars
Prime 2L
Item is 2L prime as described but item arrived with no lid so therefore more prone to leakage during delivery and not sure how I'm going to store liquid with no lid once opened. 😥
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Top reviews from Australia

Reviewed in Australia on 30 August 2023
Size Name: 250 ml (Pack of 1)Verified Purchase
Works like a charm, I am a very casual fish owner. We've had gold fish for over 8 years and I have yet to lose them. I would like to think using Prime has helped. Really helps with water quality even after not changing water for sometime.
One person found this helpful
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Reviewed in Australia on 8 December 2023
Size Name: 1 l (Pack of 1)Verified Purchase
Very happy with the product.
Reviewed in Australia on 26 January 2023
Size Name: 2 l (Pack of 1)Verified Purchase
This 2 litre size, from this retailer on Amazon, was the best price by a good margin I could find. It was so good I bough a few of them as I discovered Prime does NOT have an expiry date (within reason). You get up near 10 years it could be an issue but prior to 5 or 6 years stored reasonably it is fine! I only have a home aquarium (midsize) so don't use a lot of prime so 2 of these containers (2L) will last me nay years. I was just tired of running out all the time piddling about with 250ml containers. Prime is the best water conditioner around so to find these at such a relatively low price was a real gift I felt. GO for it! :-)
Reviewed in Australia on 19 February 2024
Size Name: 1 l (Pack of 1)Verified Purchase
Never miss to use this every after watwr change. Best conditioner for your tap water. Will always buy this.
Reviewed in Australia on 5 November 2023
Size Name: 500 ml (Pack of 1)Verified Purchase
Quality item and very happy with this product .
Reviewed in Australia on 4 April 2024
Size Name: 500 ml (Pack of 1)Verified Purchase
Its little expansive as compare to others. But results are great
Reviewed in Australia on 5 October 2023
Size Name: 2 l (Pack of 1)Verified Purchase
I have three tanks on the go so this large size is great value and convenient.
Reviewed in Australia on 31 August 2023
Size Name: 500 ml (Pack of 1)Verified Purchase
Currently overseas and my mum is looking after my aquarium. She's used up all of the RO water I prepared and couldn't ask her to go out and get more as it's too heavy for her to carry the container and too far for her to get to a LFS. This is the perfect alternative to make more fresh water really quickly and without hassle.
One person found this helpful
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Top reviews from other countries

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Karla Pugh
5.0 out of 5 stars Amazing product!
Reviewed in Canada on 1 May 2024
Size Name: 500 ml (Pack of 1)Verified Purchase
Prime Seachem is the only product I use for the water in my tanks. My fishes are all thriving and are happy and healthy. Love it. I highly recommend it to people!
Amazon Customer
5.0 out of 5 stars A must have for any aquarist
Reviewed in the United States on 24 April 2024
Size Name: 500 mLVerified Purchase
I had to set up an emergency tank and do fish in cycling and prime kept everyone safe and alive. It's more concentrated than other brands so it is a better value. I keep it on hand for water changes and spikes. I also use when adding new fish to combat ammonia spike dangers.
Amazon Customer
5.0 out of 5 stars I love Prime for our Fish Tanks. It works great.
Reviewed in the United States on 23 April 2024
Size Name: 1 l (Pack of 1)Verified Purchase
I have only used Prime for our fish tanks and it works great. I have never had a problem with the water. I love that this bottle is so big. It was a great price for how much you get and it will last a long time. I will order again when needed.
Délio Tarabal Júnior
5.0 out of 5 stars Produto de ponta!
Reviewed in Brazil on 28 January 2024
Size Name: 250 ml (Pack of 1)Verified Purchase
Melhor condicionador de aquário do mercado, realmente faz milagres em picos de amônio/nitrato.
Ofelia
5.0 out of 5 stars Buen producto
Reviewed in Mexico on 19 January 2024
Size Name: 100 ml (Pack of 1)Verified Purchase
Buen producto. Cumple su función