







💎 Elevate your aquarium game with the power of Black Diamond clarity!
Marineland Black Diamond Premium Activated Carbon is a 22-ounce, heat-activated bituminous coal-based filter media designed to remove odors, discoloration, and impurities from aquarium water. Specially sized for long-lasting efficiency, it fits all aquarium filters and is trusted by hobbyists for delivering crystal-clear, healthy aquatic environments.

| Customer Reviews | 4.7 out of 5 stars 11,774 Reviews |
8**4
GREAT quality, we're very pleased with this carbon.
We work hard for the money and are happy with this move getting this carbon. The container was larger than I anticipated (22oz here). Outstanding activated carbon at a great price. I've been a fish tank caretaker for over 30 years and imho it rinses clean fairly quickly, and yes indeed you hear that rice krispies snap cackle pop sizzle coming from the carbon right after rinsing it which is a great sign of great quality. I am first using this for cat fountains with mesh zipper bags not filter material and it does not slip through the 1-layer mesh, so rocks are small but large enough it should not be an issue with say, whisper bio bags.
J**Y
I use this for my cat litter
These smell great, and is great to add to a cat litter box. Someone in a review recommended that and I'm glad I tried it. The cats don't mind it, and probably love it because it brings the smell down. It has a high carbon content that you can smell its also black in color and very effective.
K**S
works great
I have been using this product for years. You can definitely tell it's working. Put it in a media bag and rinse. I place it in the top of my canister filter.
E**.
Super
Very good value for your buck. I use it for my fish filters and to keep the air fresh in the litter box room.
S**Z
Worth buying.
Used for saltwater tank. Good quality and easy to use.
S**K
household use
it a great product
A**R
life saver
I have a pet turtle whose tank just can't seem to stay clean! After replacing the carbon in my filters with this product, I can't recommend it enough. The smell from his tank seemed to improve instantly, and the water just seems cleaner overall.
S**I
Cat Litter Robot's friend
*I love this stuff & as a pet parent keep it on hand at all times. Back in my fish keeper days it was a must have (& will be again when I get around to reviving my aquaria passion) for now I use it in my cat litter odor mix* Cat Litter Robot's friend We use a Litter Robot & needed an extended odor additive due to the litter lasting longer than your normal pan litter. I am very happy w/ the longevity, smell, dust level, weight, clumping speed/hardness, poop odor blocking, ammonia blocking, etc of our current set up. We have 8 cats, all fixed, 2 boys & 6 girls. 2 Litter Robots (adding a 3rd next year), a tote litter box, & a short tote litter box in their isolation enclosure. W/ this setup we only have to change the litter in the Robots if one of the cats get a sick tummy or when we do a deep clean on the Litter Robot itself. The pans need a full empty maybe every 2 months. Our mixed litters - roughly 4-6 boxes every 2 months: Purina Tidy Cats Lightweight 4-in-1 Strength Clumping Cat Litter Purina Tidy Cats Lightweight Glade Extra Strength, Scented, Clumping Cat Litter Our additive mix (Literally just dump all of the below in a little tote & shake it) - one batch lasts roughly 6 months: Dr. Elsey's Ultra Litter Attractant, .56 Kg / 20 Oz (Pack May Vary) Fresh Step Cat Litter Crystals - Cat Litter Box Deodorizer Product for All Cats - Combats Cat Odors and Neutralizes Smells - Multiple Scents and Size Packs - Cat Box Deodorizer, Litter Deodorizer - 3 pack Ultra Pet Clumping Crystal Cat Litter, White Crystals with Multicolor Crystals, 5 Lbs Nature's Miracle Just for Cats Odor Destroyer (x2) Marineland White Diamond 50 Ounces, Removes Toxic Ammonia, aquarium Filter Media MarineLand Diamond Media Premium Activated Carbon, Blacks & Grays, 40-Ounce (PA0373)
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