Algae Eliminator

Product No. ML90605

Product No. ML90606

Algae Eliminator™ is rated 4.0 out of 5 by 8.
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Marineland® Algae Eliminator effectively combats algal blooms (green water) as well as working against algae that grow on glass and décor. Can be used with ornamental freshwater fish and plants.
  • Does not alter pH
  • Does not contain copper
  • Broad spectrum algaecide
  • For use with ornamental plants & fish
Available in 4 fl oz and 8 fl oz
It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.
To be used only in established aquariums. Before applying, first remove as much algae as possible by cleaning the glass and décor. This allows Marineland Algae Eliminator to be its most effective at reducing the remaining algae and inhibiting new algae growth. Remove activated carbon filter cartridges for 6-8 hours after dosing. Be prepared to clean out additional algae as it is killed to prevent deterioration of water quality.
  • Add 1ml of Marineland Algae Eliminator for every 12 gallons (45L) of aquarium water. The bottle cap can be used for measuring. Fill to the inner ring line to treat 60 gallons (225L) or to the top to treat 120 gallons (450L).
  • DO NOT OVERDOSE. Adding Marineland Algae Eliminator in areas of high water agitation or by pre-diluting Marineland Algae Eliminator in a cup of aquarium water will help to distribute the active ingredient.
  • Ensure the aquarium is well aerated.
  • Repeat if needed every three days for up to three total doses, then clean the aquarium of dead algae and do a partial water change.

Do not use in aquariums with invertebrates or crustaceans e.g. crabs, shrimp, or crayfish.

Causes moderate eye irritation. Avoid contact with eyes, skin or clothing. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet.

Do not allow pesticide to enter or run off into storm drains, drainage ditches, gutters or surface waters.


  • IF IN EYES: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after 5 minutes, then continue rinsing. Call a poison control center or doctor for treatment advice.
  • Have the product container or label with you when calling a poison control center or doctor, or going for treatment advice. For information concerning the product, call 1-866-823-2749.
Do not contaminate water, food, or feed by storage and disposal. Store bottle out of reach of children. Nonrefillable container. Do not refill this container. Wrap and put in trash or offer for recycling if available.
Poly [oxyethylene (dimethyliminio) ethylene (dimethyliminio) ethylene dichloride]: - 5.4%
TOTAL: - 100.0%
WARNING: This product can expose you to chemicals, including bis(2-Cloroethyl) ether, which is know to the State of California to cause cancer. For more informaiton, go to
Rated 4 out of 5 by from Instruction problem The instructions are easy to find for anybody that can think. Do not take this complaint seriously.
Date published: 2018-12-09
Rated 1 out of 5 by from Directions impossible! I bought this hoping to be able to use it right away. Couldn't find the instructions, so I went to this site and discovered Marineland says, "peel the back" for instructions. The only problem is, when I attempt to peel the back the entire label comes off and there is absolutely no way to separate what I'm guessing is to panels with the instructions on the inside! #1 Marineland should make it clear on the bottle where the instructions are to be found and #2 They should make is super easy to access said instructions!!!
Date published: 2018-07-13
Rated 5 out of 5 by from Works like magic for green water . I bought this today and got home and treated tank at 7pm . took all carbon media out . cranked air pumps and opened power head air flows wide open . now at 830 pm same night 1 1/2 hrs later tank is clearer than ever has been . I treated at 1/4 dose first and diluted it into gallon of water and poured slowly through my hang on back filter to dilute as much as possible . seen alot of horror stories of other brands killing all the fish almost instantly swimming through it. Then 15 mins later added another quarter dose for total of half dose . then another 1/4 dose 15 mins later . so total dose of 3/4 strength . wish I took pictures cause if you told me it worked like this id swear I was getting lied to. This stuff rocks just dilute and add slowly and crank air to max and sit back and watch . super impressed will keep a supply of it in my have to have meds and supplies .
Date published: 2018-05-30
Rated 5 out of 5 by from I use it in a couple of my tanks and I can see that is does help keep them clean. Another Marineland product that works well! Not a surprise that it is a good product.
Date published: 2015-05-06
Rated 3 out of 5 by from Instruction Problem Haven't tried the product yet because I couldn't find the instructions. It wasn't until I went to this site that I found a similar review and discovered the instructions are located once you peal the back label back. I suggest you make that tiny turn back logo bigger.
Date published: 2013-12-16
Rated 5 out of 5 by from Awesome stuff I had some pretty nasty brown algae that was taking over my tank causing me to have to scrub all the ornaments really well each week. So I got some of this algae eliminator and dipped a toothbrush in it and scrubbed it all over the ornaments and rinsed them. They've ben in in the tank for 2-3 weeks and don't have a spot of algae on them :D id defiantly suggest this to others. (the reason I didn't put it strait in my tank is because its so small and I didn't want to end up with too much in there )
Date published: 2013-12-07
Rated 5 out of 5 by from This product works great! Ive had an alge problem for a cpl weeks now, I got this stuff put in 1 cap full t3 days ago and another cap this morning. I can see my fish again!. I also agee with the instructions being a little hidden.
Date published: 2013-06-12
Rated 4 out of 5 by from INSTRUCTIONS!! I just bought the product, so I cannot comment on its effectiveness. The instructions are NOT readily available. Please print the instructions, i.e. arrow, where people can see it easier. place another sticker, if you must, saying the instructions are on the back of the label. I hope the product works!
Date published: 2013-04-10
  • y_2019, m_2, d_18, h_23
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