Marineland Algae Wafer XL Bottom Feeder Fish Food, 3.53-oz bag

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Marineland Algae Wafer XL Bottom Feeder Fish Food is a highly nutritious, sinking wafer for superior growth and clear water. These extra-large (16-19mm diameter) wafers are suitable for many substrate grazers, especially Plecostomus cat fish. Made with fiber-rich cellulose and fortified with natural supplements, Algae Wafer XL Bottom Feeder fish food helps support long-term fish health.

Key Benefits
  • Highly nutritious, sinking wafer
  • Supports superior growth and clear water for a health environment for fish to thrive in
  • Extra-large size suits many substrate grazers, especially Plecostomus cat fish
  • Made with superior fiber-rich cellulose
  • Fortified with natural supplements to help support long-term fish health

See all items by Marineland

  • Item Number
  • Fish Type
    Bottom Feeder, Tropical Freshwater
  • Food Form
Nutritional Info

Wheat Germ Meal, Feeding Oat Meal, Corn Starch, Dehulled Soybean Meal, Cellulose, Potato Protein, Dried Yeast, Wheat Gluten, Algae Meal, Soybean Oil, Zucchini, Monobasic Calcium Phosphate, Guar Gum, Yeast Extract, Ascorbic Acid (Source of Vitamin C), Inositol, Niacin, L-Ascorbyl-2 Polyphosphate (Stabilized Vitamin C), A-Tocopherol-Acetate (Source of Vitamin E), D-Calcium Pantothenate, Riboflavin-5 Phosphate (Source of Vitamin B2), Thiamine Mononitrate (Source of Vitamin B1), Pyridoxine Hydrochloride (Source of Vitamin B6), Vitamin A Palmitate (Source of Vitamin A), Biotin, Vitamin B12 Supplement, Cholecalciferol (Source of Vitamin D3), Manganese Sulfate, Zinc Sulfate, Ferrous Sulfate, Cobalt Acetate, Added Color: Blue 2 Lake, Yellow 5 Lake, Ethoxyquin As A Preservative.

Guaranteed Analysis
Crude Protein29.0% min
Crude Fat7.0% min
Crude Fiber6.0% max
Moisture9.0% max
Phosphorus0.8% min
Ascorbic Acid158 mg/kg min
Feeding Instructions

Feed lightly 1 - 3 times daily, only as much as your fish can consume within a couple of minutes.


Why do I need to use supplemental diet?

Two reasons:Nutrition - Good commercial staple fish diets are the most complete foods available, and the easiest to use, but they are not perfect. They may not offer the nutrients found in live or fr ozen foods. A balanced diet should include staple processed food, as well as freeze - dried, live, and/or fr ozen foods. For herbivores, it should include a vegetable - based food; for carnivores, a meat - based food.Variety - An aquarium is seldom comprised of a single species, but even if it is, these fish would not be satisfied with eating the same food day - in and day - out for a lifetime. In the wild, fish eat a variety of foods to get all of the nutrients they require. In your aquarium, your goal should be to replicate this experience. Providing a range of staple, fresh, and supplemental foods improves fish nutrition, and the quality of their lives.

How often do I need to feed supplemental diets?

We believe that feeding supplemental foods 1 - 3 times per week can be very beneficial.

What could happen if I feed the wrong type of food to my fish?

Some fish only eat plants (herbivores) and others only eat animals (carnivores), but the majority of aquarium fish eat both plants and animals (omnivores). Plant - eating fish that are fed animal - based foods will not be able to digest the foodproperly, which may cause internal problems such as constipation. The same is true of strictly carnivorous fish that are fed only plant - based materials. In fact, they may become ill because they cannot obtain the proper nutrients. Thus, it is critical that you match the food to the feeding habits of the fish in your aquarium. Nutrition problems usually result from feeding the wrong type of food (plant - based or animal - based; sinking or floating) and feeding improper amounts, be it too much or too little. Some of the more commonly observed problems with poorly fed fish include lateral line and fin erosion, hole - in - the - head, weight loss, diminished color, stunted growth, listlessness, and disease outbreaks.

If I have many types of fish in my aquarium, how do I get them to be selective about the foods they eat?

Tactics. Most aquariums contain a variety of fish including fish that feed on the surface, others that feed mid - water, and still others that only feed on the bottom. Hatchet fish, for example, have upturned mouths that are suited for taking food off of thesurface. Tetras are mid - level feeders and have forward - facing mouths best suited for grabbing food suspended throughout the water column. Catfish have sharply down - turned mouths, ideal for bottom feeding. It is essential that you provide foods that are appropriate for each feeding level and that they are nutritionally complete. Because most fish will poach on the foods of others, you may need to use a distraction or timing strategy. For example, distract your bottom feeders by feeding them sinking pellets first, then waiting a moment or 2 before adding floating foods for your surface feeders.

How much food do I need to feed?

As a basic rule, fish should be fed once or twice a day with a quantity that they can fully consume in 3 - 5 minutes. To start, feed each fish an amount equal to the size of their eye. Overfeeding is much more common and detrimental than underfeeding.The quantity of food you feed your fish is very important for their overall health and the health of your aquarium. Overfeeding can result in uneaten food that will decompose, causing an increase in nitrogen products such as ammonia, or harmful bacteria or fungus.

When are vitamin and mineral supplements needed?

One of the key benefits of vitamins and minerals is that they are stress fighters. Whenever you suspect your fish might be stressed, it is a good idea to use them. For example, if you are about to add new fish, do an aquarium renovation, ormove, the use of supplements will help your fish better weather the stress. For a profile of supplements and their benefits for marine aquariums, read Supplements for Aquariums: Who needs What, & Why? For freshwater aquariums, check outvitamins and nutritional supplements.

Customer Reviews

21 Reviews 21 Reviews 4.4 out of 5 Stars

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95% Recommend

95% of reviewersrecommend this product

4.4 / 5

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21 Reviews

Showing 1-10 of 21 Reviews

  • 4 out of 5 stars

    Dissolve quicker than wanted

    By on

    I have 4 good sized plecos but I have only seen one actually eat this food. I am pretty sure my other fish eat it after it dissolves in the water so I wish it didn't dissolve as fast as it does maybe have it last a day instead of an hour.

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  • 5 out of 5 stars

    Great product.

    By on

    I feed this to our two huge Plecos. They love it and look very healthy.

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  • 5 out of 5 stars

    Great Treat!

    By on

    My oversized Pacu fish, who is approx ten years old or more, Loves this zucchini wafer! Love hearing that “crunch” every night!

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  • 5 out of 5 stars

    Snails Love It!

    By on

    Bought this for my mystery snails and they love them. Put one in and they ate it right up in a day. Even my frogs pick at it. Bought this one because it's one of the only brands that doesn't put copper in it, which is poisonous to snails. Great product!!

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  • 5 out of 5 stars

    shrimp starter

    By on

    Someone recommended me these as a nice starter for my new red cherry shrimp tank, the shrimps so far are enjoying them and there are usually hundreds around them within seconds of dropping these in the tank

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  • 5 out of 5 stars

    Good product

    By on

    My plecos love this product! Great price on this site!

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  • 1 out of 5 stars

    No good fish don't eat it.

    By on

    Not a good product my placo fish won't eat this just dirtys up my tank.

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  • 5 out of 5 stars


    By on Top 100 Contributor

    Hard to come by pleco tablets that have zucchini! Sucker fishes love zucchini

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  • 5 out of 5 stars

    Multiple fins up for this food!!!

    By on Top 100 Contributor

    I mainly purchased this for two very large Plecostomus that I've had since they less than an inch long. (They've been with me for MANY years!) Each lives in a large aquarium with several other species. In each case, I dropped a few wafers right in front of them. They didn't move for a minute or so, then the dorsal fins POPPED up, they rushed right to the wafers and started rasping on them. My black loaches, Raphael cats and Cory cats all went for the wafers as well. I would really love to see this product available in a larger package.

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  • 5 out of 5 stars

    Perfect for my fish!

    By on

    My corydoras catfish and baby pleco love these! As soon as I put these into the tank, they swim right to them before they hit the bottom.

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