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Seachem Safe 50g
Seachem Safe 50g
Seachem Safe 50g
Seachem Safe 50g

Seachem Safe 50g

(241 reviews)

The Seachem Safe Water Conditioner for Fish Tanks is a comprehensive and highly concentrated dry conditioner for both fresh and saltwater. Safe eliminates chlorine and chloramine while detoxifying ammonia, nitrite, and nitrate. It is non-acidic and has no effect on pH. Another advantage for reef enthusiasts is that Safe will not over-activate skimmers. The Safe can be used to reduce ammonia/nitrite toxicity during tank cycling. It contains a binder that renders ammonia, nitrite, and nitrate non-toxic, allowing the Biofilter to remove them more efficiently. Use at startup and whenever water is added or replaced. Use Seachem StressGuard when transporting or quarantining fish. Use Stability when adding new fish. Both are excellent for use with Safe.

The Seachem Safe Water Conditioner for Fish Tanks is a comprehensive and highly concentrated dry conditioner for both fresh and saltwater. Safe eliminates chlorine and chloramine while detoxifying ammonia, nitrite, and nitrate. It is non-acidic and has no effect on pH. Another advantage for reef enthusiasts is that Safe will not over-activate skimmers. The Safe can be used to reduce ammonia/nitrite toxicity during tank cycling. It contains a binder that renders ammonia, nitrite, and nitrate non-toxic, allowing the Biofilter to remove them more efficiently. Use at startup and whenever water is added or replaced. Use Seachem StressGuard when transporting or quarantining fish. Use Stability when adding new fish. Both are excellent for use with Safe.

Seachem Safe 50g

$10.00

(241 reviews)

The Seachem Safe Water Conditioner for Fish Tanks is a comprehensive and highly concentrated dry conditioner for both fresh and saltwater. Safe eliminates chlorine and chloramine while detoxifying ammonia, nitrite, and nitrate. It is non-acidic and has no effect on pH. Another advantage for reef enthusiasts is that Safe will not over-activate skimmers. The Safe can be used to reduce ammonia/nitrite toxicity during tank cycling. It contains a binder that renders ammonia, nitrite, and nitrate non-toxic, allowing the Biofilter to remove them more efficiently. Use at startup and whenever water is added or replaced. Use Seachem StressGuard when transporting or quarantining fish. Use Stability when adding new fish. Both are excellent for use with Safe.

The Seachem Safe Water Conditioner for Fish Tanks is a comprehensive and highly concentrated dry conditioner for both fresh and saltwater. Safe eliminates chlorine and chloramine while detoxifying ammonia, nitrite, and nitrate. It is non-acidic and has no effect on pH. Another advantage for reef enthusiasts is that Safe will not over-activate skimmers. The Safe can be used to reduce ammonia/nitrite toxicity during tank cycling. It contains a binder that renders ammonia, nitrite, and nitrate non-toxic, allowing the Biofilter to remove them more efficiently. Use at startup and whenever water is added or replaced. Use Seachem StressGuard when transporting or quarantining fish. Use Stability when adding new fish. Both are excellent for use with Safe.

$10.00 - $24.95

in 21 offers

The lowest price for Seachem Safe 50g right now is $10.00 at aquateesfishland.com.au, compared across 21 retailers.

The all-time low was $9.00 on 30 Nov 2025 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.

Prices last updated 25 June 2026.

Size:

1 kg
4 kg
250 g

Price comparison

Price data powered by pricesAPI.io

Last updated at 25/06/2026 10:34:28

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$21.40

Seachem 384 Safe Concentrated Dry Water Conditioner 50 g

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

aquateesfishland.com.au

$10.00

Seachem Safe 50g

Hurstville Aquarium

$12.95

Seachem Safe 50g

Delivery between 29 June – 7 July $9.50

City Barn Malaga

$14.25

SEACHEM SAFE 50g WATER CONDITIONER

pauls-aquariums.myshopify.com

$14.95

Seachem Safe 50g

Delivery $12

7fishs.com.au

$15.00

Seachem Safe 50g

Coburg Aquarium

$15.95

Seachem Safe 50g

Nano Tanks Australia Aquarium Shop

$16.00

Seachem Safe 50g

Delivery between Fri – Tue $15

Matt Blatt

$16.88

Seachem Safe 50g (SC38409)

Delivery $9.99

Woolworths

$17.88

Seachem Safe 50g (SC38409)

Delivery $10

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Best stuff I've ever used!
17 December 2022waterhauler5

originally posted on ebay.com

Our city water is so full of chloramine that it has been impossible to get the ammonia out without leaving the water out for several days along with using aquasafe and still had traces of ammonia so we used jugs of reverse osmosis water with added minerals and man it was getting expensive! Well I met a guy who's a breeder a couple weeks ago and he showed me this stuff after I told him that our city water was so bad I didn't use it, he said man get you some of this it'll be your best friend when it comes to treatment of any city water because it works! When I got home I ordered a 2.2 lb bottle of it and he was so right!! 1/4 teaspoon of this treats 300 gallons according to the directions and if you use more it won't cause your fish any harm so i been using about a ... MoreOur city water is so full of chloramine that it has been impossible to get the ammonia out without leaving the water out for several days along with using aquasafe and still had traces of ammonia so we used jugs of reverse osmosis water with added minerals and man it was getting expensive! Well I met a guy who's a breeder a couple weeks ago and he showed me this stuff after I told him that our city water was so bad I didn't use it, he said man get you some of this it'll be your best friend when it comes to treatment of any city water because it works! When I got home I ordered a 2.2 lb bottle of it and he was so right!! 1/4 teaspoon of this treats 300 gallons according to the directions and if you use more it won't cause your fish any harm so i been using about a half teaspoon for 20-25 gallons of water, i drop a bubble stone in it to circulate it and add a heater to get it up to temperature and i kid you not by the time the water is up to 75 degrees there's absolutely no trace of ammonia. He's right about this becoming best friends for myself and our fish!! I will never waste another nickel on any of those other products or ro h20 it's nothing but safe for me and the fish again!! It says it will reduce nitrites and nitrates as well but I haven't had to put it to the test for those issues and in all honesty I doubt I ever have to because anytime I want to do a water change all I gotta do is fill my 55 gallon water drum with a teaspoon or so of this amazing ammonia killer and fill it up with water drop my bubbler in and the next morning it's on. Do yourself a favor if your having ammonia issues and get yourself a bottle of this because it's going to work better than anything out there that I know of and your fish are going to love you for it!!

Better than bottles of liquid.
30 December 2020janstar66

originally posted on ebay.com

Tried SAFE instead of bottled liquid dechlorinators. Very happy with results. Easy to use, super concentrated, wont use liquids again. Seachem a trusted brand

Cheaper than prime
19 December 2017macaws2

originally posted on ebay.com

Ive been using this product, SAFE, now for the past two years on my discus tank. Since I change the water 20 to 30% every other day this has saved me so much money. One container last me almost 8 months. I use the recommended amounts, since my water test are really good out of the tap, and on some days I may use just a little bit more. My Discus dont seem to be affected by this. Does have a rotten egg smell when you open the container. I will use this product until they stop making it. I do recommend this product.

Specification

Product dimensions3.51 x 3.51 x 8.89 cm; 77.11 Grams
Country of originUSA
Target speciesFish

Price comparison

Updated about 7 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$21.40

Seachem 384 Safe Concentrated Dry Water Conditioner 50 g

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

aquateesfishland.com.au

$10.00

Seachem Safe 50g

Hurstville Aquarium

$12.95

Seachem Safe 50g

Delivery between 29 June – 7 July $9.50

City Barn Malaga

$14.25

SEACHEM SAFE 50g WATER CONDITIONER

pauls-aquariums.myshopify.com

$14.95

Out of stock

Seachem Safe 50g

Delivery $12

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Best stuff I've ever used!
17 December 2022

Our city water is so full of chloramine that it has been impossible to get the ammonia out without leaving the water out for several days along with using aquasafe and still had traces of ammonia so we used jugs of reverse osmosis water with added minerals and man it was getting expensive! Well I met a guy who's a breeder a couple weeks ago and he showed me this stuff after I told him that our city water was so bad I didn't use it, he said man get you some of this it'll be your best friend when it comes to treatment of any city water because it works! When I got home I ordered a 2.2 lb bottle of it and he was so right!! 1/4 teaspoon of this treats 300 gallons according to the directions and if you use more it won't cause your fish any harm so i been using about a ... MoreOur city water is so full of chloramine that it has been impossible to get the ammonia out without leaving the water out for several days along with using aquasafe and still had traces of ammonia so we used jugs of reverse osmosis water with added minerals and man it was getting expensive! Well I met a guy who's a breeder a couple weeks ago and he showed me this stuff after I told him that our city water was so bad I didn't use it, he said man get you some of this it'll be your best friend when it comes to treatment of any city water because it works! When I got home I ordered a 2.2 lb bottle of it and he was so right!! 1/4 teaspoon of this treats 300 gallons according to the directions and if you use more it won't cause your fish any harm so i been using about a half teaspoon for 20-25 gallons of water, i drop a bubble stone in it to circulate it and add a heater to get it up to temperature and i kid you not by the time the water is up to 75 degrees there's absolutely no trace of ammonia. He's right about this becoming best friends for myself and our fish!! I will never waste another nickel on any of those other products or ro h20 it's nothing but safe for me and the fish again!! It says it will reduce nitrites and nitrates as well but I haven't had to put it to the test for those issues and in all honesty I doubt I ever have to because anytime I want to do a water change all I gotta do is fill my 55 gallon water drum with a teaspoon or so of this amazing ammonia killer and fill it up with water drop my bubbler in and the next morning it's on. Do yourself a favor if your having ammonia issues and get yourself a bottle of this because it's going to work better than anything out there that I know of and your fish are going to love you for it!!

waterhauler5 originally posted on ebay.com
Better than bottles of liquid.
30 December 2020

Tried SAFE instead of bottled liquid dechlorinators. Very happy with results. Easy to use, super concentrated, wont use liquids again. Seachem a trusted brand

janstar66 originally posted on ebay.com
Cheaper than prime
19 December 2017

Ive been using this product, SAFE, now for the past two years on my discus tank. Since I change the water 20 to 30% every other day this has saved me so much money. One container last me almost 8 months. I use the recommended amounts, since my water test are really good out of the tap, and on some days I may use just a little bit more. My Discus dont seem to be affected by this. Does have a rotten egg smell when you open the container. I will use this product until they stop making it. I do recommend this product.

macaws2 originally posted on ebay.com
Concentrated Prime
11 May 2020

If you use prime water conditioner - this is the concentrated version! I purchased the smaller size (2 years ago - sadly it got wet and ruin) This is significantly larger quantity (more cost effective) will probably last me easily a decade with 3 fish tanks over 10 gallon all with fish! Great product!

imsuchalady84 originally posted on ebay.com
Excellent product, in all respects ; thanks!
30 April 2022

Excellent product, in all respects ; thanks!

balagooon originally posted on ebay.com
Great product minus extra packaging
25 August 2021

Purchasing from a trusted source made this easy. The bag is unmarked so be sure you label it with measurement instructions.

redvollaus originally posted on ebay.com
Stop wasting time with premade de-chlorinators!
5 February 2019

If you're a avid fish lover like we are then this is well worth looking into! If you've ever had to perform water changes on a large volumed aquarium, then you know the importance of removing unwanted chemicals for your pets when adding fresh water back into the aquarium. We have used several types of water treatments and Seachem Safe has turned out to be the most cost effective item to date! You don't need alot of the product to ensure your water is safe for fishes and the high concentration lasts a long, long time. We've practically eliminated the runs to the LFS to get de-chlorinator with Seachem SAFE. I recommend this product for anyone who intend to keep fishes healthy and please do read the label as it's not a pre-made/ready to use solution. Thanks!

ourlovelyfish12 originally posted on ebay.com
The "go to" powdered water conditioner
6 December 2019

The dry version of Prime. and even more condensed than the last version of Safe. This amount should last a long time. Prime/Safe are known as the "go to" water conditioner among fish keepers in the hobby. I've never had an issue with it. Tip: obtain a small smidgen spoon to administer smaller doses for 5 gallon buckets.

gregwh2005 originally posted on ebay.com
The only one l use
8 December 2021

First time lv bought a repack and pleased to say its exactly the same ,but cheaper to buy. SAFE is the only dechlorinator l use as it detoxifies nitrate and nitrite in emergency

janstar66 originally posted on ebay.com
This is great stuff!
22 October 2019

I love the Seachem products and have used Prime for years, but now I have several aquariums in my home and it was getting expensive to treat my water. The tiny scoop that was included treats 25 gallons. It is super easy to use and much more affordable than Prime.

ellambrown originally posted on ebay.com

Specification

Product dimensions3.51 x 3.51 x 8.89 cm; 77.11 Grams
Country of originUSA
Target speciesFish

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