• Reviews around water (4.08 of 5)

    MarineLand Diamond Media Premium Activated Carbon, Blacks & Grays, 40-Ounce (PA0373)

    • keep water extra clear and smell free
    • Used for my pond, keeps the water clean and the fish happy
    • If you are using drop in filters pre loaded with carbon and are still experiencing cloudy water, add this carbon!
    • I get noticeable results in hours of use in a 67 gal fresh water tank.
    • my water is CRYSTAL CLEAR
    • It helps to keep my water safe for my fish and they seem to appreciated it
    • Now to the mystery part, I woke up the next day, the water was crystal freakin clear
    • Best bang for the buck, make sure you rinse out the carbon before you use it or it will cloud up the water
    • After one week, my water is now crystal clear.
    • Good clean charcoal with low dust, great water clarity with this stuff after a water change.
    • When I put this in my phosban reactor and let it run for five minutes to expel waste water, I then ran it in my system and it started to turn the water black with carbon
    • it cause my water is so healthy
    • The water is crystal clear when I use this product.
    • so you have to rinse it well under cold running water for a few minutes
    • you must rinse until water is clear.
    • When you water your terrarium, the water will flow through the soil, then through the activated carbon, so by the time the water settles at the bottom (to be drawn up later by the plants and evaporation), the water is cleaner of impurities and won't stagnate at the bottom
    • According to the description it supposed to give a crystal clear water
    • Used in my saltwater reef tank to clear water and remove smell effectively
    • This is great for clearing up water and getting rid of any impurities that may trouble fish
    • Improved water quality within a half hour.
    • great carbon, cleared my tank water up crystal clear!
    • Seems to clear up my water.
    • Very effective in keeping water clear and odor free.
    • so I can refill my filter monthly less then 50 cents a month for clean water
    • look like my tank didn't have water on it, so clear
    • I have not noticed any falling particles or gray water
    • After rinsing with 2 gallons of water it has dark water
    • It is very effective in keeping water clear and free of odors
    • Water is crystal clear and I had an smell from the tank which also cleared up.
    • The water is much clearer, the taste I can't change but at least I know a lot of that bad stuff is no longer going into my body.
    • Crystal clear water in under 10 mins in my aquatic turtle tank
    • Great size and price... helps keep water clear
    • I pre-washed this product with good filtered water and it still made a mess
    • This product cleared the water in my tank in two days
    • I have been using this product in my 120 Gal fresh water aquarium for 4 years
    • It cleans up the water pretty well and lasts about a month or two before needing to be changed out
    • Keeps water clear and no smell
    • look like my tank didn't have water on it, so clear
    • Cleared the water right up.
    • I have tryed many carbons but this one is the only one that shines above all others , good price , outstanding water quality using this and consistent performance what more could you want from a carbon
    • Very effective in keeping water clear and odor free.
    • Way cheaper than buying in store and cleaned water immediately
    • My aquarium is now clear and the fish are obviously enjoying the improved water quality.
    • Water is crystal clear
    • I tried to use this for deodorization in my home, not to purify water
    • It is "dirty" and must be rinsed thoroughly in cold water.
    • Clears up the water in my saltwater fish tank and reduces the smell.
    • I really love this stuff I actually bought like 3 containers and I am very pleased with the performance of this charcoal is exceptional good granules and the end result was very clear water
    • That says volumes about the water quality, no?Good luck.
    • It really helps to clear up the water.
    • Seems to work good so far, keeps water clear.
    • With this stuff in my Magnum 350 canister, the water hasn't been any clearer
    • Clear water
    • keep water extra clear and smell free
    • I pre-rinsed before adding to my media reactor, but within one day I noticed that my water was already clearing up.
    • Amazing water is crystal clear
    • It has proven itself in my 16000 gallon pond, it does keep the water clean and seems to remove toxins.
    • Great at keeping water clear and smells negligent.
    • I use it for my salt water fish tank keeps the water clean and from smelling​
    • It is veryeffective at keeping the water clean.
    • Have two tanks fresh water 65 and 120
    • It makes for healthier aquarium water but needs to be replaced every four weeks along with your filter maintenance.
    • Water was always crystal clear
    • Great product - good price, cleans water, and the minimal dust rinses out quickly in the sink before putting in the filter
    • It works very well in my aquarium, my water is crystal clear!
    • It works very well in my aquarium, my water is crystal clear!
    • Great help for my reef to clear up the water in one night, nice and easy to use.
    • This takes the expense out of my wonderful pet water fountain, my cats love it so much and they drink plenty of water because if it
    • I have a piece of driftwood that's still leeching tannins into the water, and I went this route to assist in clearing my water.
    • Clear water doesnt get better than this.
    • Crystal clear water.
    • I feel confident that this charcoal does a good job of keeping the water clear and absorbing toxins
    • So it doesn't cloud the water much when first used.
    • I use it for my salt water fish tank keeps the water clean and from smelling​
    • Great at keeping water clear and smells negligent.
    • crystal clear water
    • Water looks really great after an hour
    • It is activated carbon, Works as it is supposed to without too much dust.
    • Great activated carbon, works good in my fish tanks as well as in my gardening projects
    • I noticed it in my nostrils as well as on the counter where I was working.
    • Great activated carbon, works good in my fish tanks as well as in my gardening projects
    • nice price for the item and great filter, g r