Marineland White Diamond Ammonia Neutralizing Crystals Filter Media, 50-oz jar
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Marineland White Diamond Ammonia Neutralizing Crystals Filter Media removes ammonia from your aquarium for a healthier aquatic environment. These neutralizing crystals are ideal for all freshwater aquariums and ponds. White Diamond removes up to four times more deadly ammonia to keep water clean and fish-safe. It also protects against sudden ammonia "spikes" and helps control the presence of ammonia, especially during the break-in period.
Key Benefits- Removes toxic ammonia for a healthier aquatic environment for fish to thrive in
- Protects against sudden ammonia "spikes" that could cause harm
- Helps control the presence of ammonia, especially during the break-in period
- Powerful white Diamond removes up to four times more deadly ammonia to keep water clean and fish-safe
- These neutralizing crystals are ideal for all freshwater aquariums and ponds
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Item Number98376
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Dimensions4.5 x 4.5 x 7 inches
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Weight4.34 pounds
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Aquarium TypePond, Freshwater
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Fish TypeTropical Freshwater
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MaterialN/A
Use 4 tablespoons per 10 gallons of aquarium water.
Place in media bag or media basket and rinse thoroughly in cold water to eliminate dust particles.
Replace every 2 - 3 weeks (sooner if foul smells or water discoloration occur).
Note: Replacement frequency depends on fish population, waste loads, and water hardness.
Customer Reviews
100% Recommend
100% of reviewersrecommend this product
You've Already Reviewed This Item
10 Reviews
10 Reviews
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5 star service
By joek on Mar 8, 2021
Excellent service, pleasant representatives, fast, great prices, fast shipping. Definitely 5 star Thanks joe
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Made A Mistake
By Diana on May 9, 2021 top1000Contributor
Don’t know what I was thinking. I didnt need these
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Works great for DIY pon!
By BellsRing on Feb 11, 2021
My plants are loving their new substrate! And now I can get this on auto delivery with my cat food :)
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Mandatory for my big goldfish tank!
By Mamafirebird on Sep 27, 2020 top100Contributor
Goldfish are notorious for producing lots of ammonia. This stuff along with activated charcoal pellets, inside my 350 gal/hr Eheim canister filter, keeps my 75 gal tank clear and non stinky. I've found putting the carbon and ammonia reducing media into mesh bags, shortens my cleaning time for full filter system breakdown and rebuilding. With media inside bags, it is simple to thoroughly rinse off any crumbles and dust, which could damage the impeller and cloud the water if this step is omitted. I'm glad this stuff comes in a large container, as I need more than 1.5 cups of each media type on every filter maintenance session. Couldn't imagine keeping goldfish without this stuff!
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Great price
By Moomy on Jan 7, 2021 top500Contributor
I use this in my turtle tank to keep the ammonia down. Works great. Best price around. Love Chewy.
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Works well
By Chevy on Feb 24, 2019
Can add this to filters since most filters don't add this to theres. Really does help keep ammonia down in my tank.
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white diamond ammonia neutralizing crystals
By deedee on Nov 25, 2018
I change my charcoal weekly, can this be changed weekly as well.
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works good for me
By walk on Jun 5, 2018
I use a blend of 25% zeo and 75% carbon when needed - works great for me. And with Chewy the shipping is fast
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Marineland Ammonia crystals
By Unigirl44 on Dec 7, 2017
I mix these with Charcoal for my Axolotl, turtle, Frilled Lizard and water dragon water. It works exceptionally. They also sell this already mixed with charcoal.
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Nothing can beat Zeolite
By CatCatCatfish on Jun 8, 2017 top500Contributor
Marineland Ammonia Neutralizing Crystals is compose of zeolite, a naturally occurring rock. In nature, Zeolite can be contaminated with many different metals and substances, but marineland's rocks are pure unpolished zeolite, and they're just the right size! Similar products tend to be bulkier, and being said, their size limits as to how much you can add to a media bag. These little rocks provide a great surface area for water to run over them, which enhances their ammonia-reducing ability. Overall a great product, and I recommend it!
