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Stop Overfeeding

Stop Overfeeding! Mark’s Secret to a Cleaner Sand Bed & Healthier Fish - Mark Callahan, Mr. Saltwater Tank

Is your sand bed a "cloud of mess" every time you feed? In this video, Jimmy visits Mark to solve a common hobbyist headache: how to feed a high-volume tank without destroying water quality. Mark breaks down the critical differences between feeding a delicate reef tank versus a messy predator tank, explaining why "a little bit often" beats one giant daily meal. From the "two-sheet nori" morning routine to the benefits of freeze-dried Mysis and the importance of "cleanup crew fish" like Chromis, you’ll learn the exact schedule Mark uses to keep his 12-foot display pristine. Whether you’re keeping a Puffer or a school of Anthias, these pro tips on thawing frozen food, choosing between pellets and LRS, and managing nutrient export will help you dial in your tank's health.

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  • Sea Veggies Seaweed Green (30 gm / 1 oz) - Two Little Fishies

    Sea Veggies Seaweed Green (30 gm / 1 oz) - Two Little Fishies

    Two Little Fishies
    $10.71
    Super nutritious Natural Green Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish. Size: 30g (1 oz)
  • "VeggieMag" Magnetic Veggie Clip - Two Little Fishies

    "VeggieMag" Magnetic Veggie Clip - Two Little Fishies

    Two Little Fishies
    $24.94
    The VeggieMag uses magnetic attraction instead of a suction cup to hold our SeaVeggies clip in place for windows up to 3/4” thick! It’s easy to position at any level in the aquarium, and easy to retrieve it without getting your hands wet...
  • TDO-C2 Small Chroma Boost Fish Food (16 oz) - Reef Nutrition

    TDO-C2 Small Chroma Boost Fish Food (16 oz) - Reef Nutrition

    Reef Nutrition
    $42.50
    TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition.  New formulation optimized with 400 ppm astaxanthin for...
  • Freeze Dried Mysis Shrimp Fish Food (1.7 oz) - San Francisco Bay Brand

    Freeze Dried Mysis Shrimp Fish Food (1.7 oz) - San Francisco Bay Brand

    San Francisco Bay Brand
    $12.99
    Excellent for Finicky FishFor all Fresh & Saltwater FishSan Francisco Bay Brand Freeze-dried Mysis Shrimp are small bite-sized shrimp that are the perfect food choice for feeding finicky marine fish. Mysis shrimp are a popular food choice for feeding...
  • Freeze Dried Mysis Shrimp Fish Food (3.35 oz) - San Francisco Bay Brand

    Freeze Dried Mysis Shrimp Fish Food (3.35 oz) - San Francisco Bay Brand

    San Francisco Bay Brand
    $24.17
    Excellent for Finicky FishFor all Fresh & Saltwater FishSan Francisco Bay Brand Freeze-dried Mysis Shrimp are small bite-sized shrimp that are the perfect food choice for feeding finicky marine fish. Mysis shrimp are a popular food choice for feeding...