Marineland Black Diamond Activated Carbon Filter Media

By Marineland
Rated 4.7111 out of 5 stars
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Marineland Black Diamond Activated Carbon Filter Media, 5-oz jar slide 1 of 2
Slide 1 of 2
Marineland Black Diamond Activated Carbon Filter Media, 5-oz jar slide 1 of 2
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$4.95Chewy Price
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$6.19Chewy Price
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About This Item

  • Successfully eliminates discoloration, odors and impurities.
  • Leaves water polished and sparkling clean, and continues to do so long after other carbons quit.
  • Heat-activated bituminous coal-based Black Diamond granules are specially sized for optimum effectiveness.
  • Ideal for all aquarium filters.
  • More efficient than coconut, wood or peat-based carbons.

Compatible Products

Keep your system working smoothly with Marineland filters.


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Fish TypeTropical Freshwater, Marine FishTropical FreshwaterTropical FreshwaterTropical FreshwaterTropical Freshwater, Marine Fish
Aquarium TypeFreshwater, SaltwaterFreshwaterPond, FreshwaterFreshwaterFreshwater

Questions & Answers

20 Customer Questions


Do I need to put this charcoal in a mesh bag before placing in canister filter tray ? Can I just pour into tray ?
Answer by ChewyJul 31, 2018
Place the charcoal in a media bag or media basket and rinse thoroughly in cold water to eliminate dust.

Can you use this for a koi pond?
Answer by ChewyAug 13, 2019
This can be used in a pond. Typically, the recommendation is 1/2 cup per 10 gallons of water. Keep in mind, carbon removes some large organic molecules, medications, chlorine, pollutants and toxins, as well as many other types of chemical elements and compounds, but must be changed frequently for full benefits.

Can this activated carbon be used to clean and remove chlorine in drinking water?
Answer by ChewyJul 26, 2018
This filter media is not designed to be used with drinking water filtration. This would effectively filter heavy metals and compounds from water, but it will not provide any biological filtration.

What size are the pieces of carbon?
Answer by ChewyMar 30, 2018
The carbon is approximately 2 to 4 millimeters.


ReviewsWrite a Review

4.7
Rated 4.7111 out of 5 stars
45 Reviews
98%
Would recommend to a friend
1
2.2222
2%
2
0
0%
3
4.4444
4%
4
11.1111
11%
5
82.2222
82%

45 Customer Reviews



Rated 3 out of 5 stars
By HiThere on Dec 15, 2021

Price great for quantity

Like one other reviewer wrote, I don't think this charcoal is truly activated. If so, it is exceptionally WEAK! This product also comes without a seal. Besides that, Chewy has been a pleasure to work with and getting this amount shipped out would cost more than 6 times the price any where else (although quality MIGHT just be better elsewhere). I bought 2. I'm on my third shipment of two and will find a way to use it - although not for the purpose I intended. Customer service is GREAT!!! I MUST STRESS THAT. I might not recommend this to a friend since it doesn't seem to perform like activated charcoal I have used in the past. To be fair, I used carbon from coconut and this likely came from another source. If someone I knew was in a pinch, then yes, I might tell them about this product (due to the price per quantity) while explaining what my experience was.


Rated 4 out of 5 stars
By Brian on Nov 16, 2021

carbon filtration

its carbon, what ya need a review for? micro orifices trap impurities, im sure there's more scientific explanation of active charcoal and various types like coconuts. remove chemicals ... not a scientist all i can tell You is that it works! I have a canister on 1 tank and a penguin for other tank that i got rid of the premade cartridge and got 2 after market inserts to make my own filtration media ...way cheaper usually buy 5lb bags at a time off web but when it was time to clean filters my supply was just enuf for the penguin and Chewy shipping is way faster than waiting a week! the Marineland Activated Carbon seems to work great at a slightly higher price maybe 2 or 3 bucks , im 2 weeks past my normal clean out and water is still crystal clear... yup good product may just stick with this brand who knows what ya get off the web, price wish it was a bit cheaper but ohhh went to wash the dust off and the water ran clear! the stuff i use is just black and takes a while to run clear, never looked but must be pre washed? defiantly a bonus!!! well, time to get busy vac n filter clean 2 thumbs up hope the info helps


Rated 5 out of 5 stars
By Beth on Jan 17, 2022

Love Chewy

I'm using this carbon in a terrarium that I'm still setting up.


Rated 5 out of 5 stars
By Pookie on Aug 18, 2021

Animal Master.

The experience was good so far and so is the new fillter.


Rated 5 out of 5 stars
By Moomy on May 14, 2021
Top 250 Contributor

Great product

I use this in the filters in my turtle tanks. I love the nice big sized container because I change it in 3 tanks every two weeks.


Rated 4 out of 5 stars
By Heidycat07 on Mar 6, 2021

Mister box

Pretty good, use for aquarium water filter and cat box with litter mix in a cup with 20 pounds of litter.


Rated 5 out of 5 stars
By JunoLouise on Dec 11, 2020

Great product

Sadly, I no longer have fishies since we hit the road in our RV full time. I use this charcoal to stuff old socks to stash in closets, drawers, and cargo compartments, and it works great for that. The bay where we stow our pupper supplies no longer reeks of old dog foot. LOL. I also use it in the bottom of our planter pots.


Rated 5 out of 5 stars
By Christine on Apr 14, 2021

Just awesome just what i needed

Retail value is 30+ very nice to get it at this price.


Rated 5 out of 5 stars
By BZOO23 on Jan 26, 2021
Top 100 Contributor

Large container for a great price

Use this in my house plants. It's nice and fine and much better buy than the little container from the store.


Rated 5 out of 5 stars
By Dale on Sep 19, 2020

DOES AS DESCRIBED

I run this in my saltwater tank on occasion, I prefer buying in bulk and this is a lot for your money..Highly recommend.