Supplements & Medications

Items 1 to 48 of 138 total

When your fish have a specific health issue or ailment, you want to treat it as quickly and as effectively as possible. At Big Al’s Pets, our selection of fish medications enables you to get exactly what you need with the click of your mouse. We have medications available to treat a variety of fish health issues, including bacterial infections, lateral line diseases and fungal diseases. We also offer parasite treatments as well as pest control products to make sure that your aquarium stays clean and your fish stay healthy.

While our medications provide effective treatments for health issues, you’ll also want something to keep your healthy on a day-to-day basis. Our fish health supplements offer the perfect solution. They enable you to easily add healthy supplements to your fish food or water to give them the nutrition they need each and every day. These products are effective, affordable, and easy to administer. Best of all, we have a huge selection that features nearly 100 medications and supplements for you to choose from.
  • API Melafix Professional Strength - 64 fl oz
    Heals open wounds & abrasions, treats fin and tail rot, eye cloud, mouth fungus and promotes regrowth of damaged fin rays & tissue. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants.

    Regular Price: USD 34.99

    Sale Price USD 29.99

    Regular Price: USD 34.99

    Sale Price USD 29.99

  • Seachem PolyGuard - 10 g
    The single most effective medication to keep freshwater fish free of disease! It is an effective treatment and safeguard against all prevalent bacterial, fungal, and parasitic diseases of exotic fish. For use in freshwater or marine aquaria.
    USD 6.42
    USD 6.42
  • Hikari Metro+ - 3.5 fl oz
    • Powerful Proven Ingredient (metronidazole)
    • Works Systemically
    • Highly Effective
    • Targets The Infected Areas
    • Can Be Used As A Bath Or With Food
    USD 5.29
    USD 5.29
  • New Life Spectrum Thera A Anti-Parasitic Formula - 2 mm Sinking Pellets - 500 g
    Made with high-quality, easily digested South Antarctic Krill, Herring, Squid, and New Zealand Mussel protein, and all-natural color-enhancing ingredients for a balanced diet that boosts immune system and enhances the full spectrum of your fish's color.
    USD 21.99
    USD 21.99
  • New Life Spectrum Thera A Anti-Parasitic Formula - 1 mm Sinking Pellets - 60 g
    Made with high-quality, easily digested South Antarctic Krill, Herring, Squid, and New Zealand Mussel protein, and all-natural color-enhancing ingredients for a balanced diet that boosts immune system and enhances the full spectrum of your fish's color.
    USD 6.99
    USD 6.99
  • Marineland All-In-One Remedy - 36 Tabs
    • All-in-one broad-spectrum, non-antibiotic agent
    • Makes treating your fish a stress-free process
    • Cure's an array of common infectious ailments
    • Treats ick, red streaks, ulcers, flukes and more!
    • Pre-measured doses are easy-to-use - No guesswork
    USD 9.99
    USD 9.99
  • Seachem Digital Spoon Scale
    • Precisely doses chemicals and supplements
    • Measures in 0.1 gram increments up to 300g
    • 3 button system with easy-to-read LCD display
    • Features corrosion and stain-resistant design
    USD 19.43
    USD 19.43
  • New Life Spectrum Thera A Anti-Parasitic Formula - 1 mm Sinking Pellets - 250 g
    Made with high-quality, easily digested South Antarctic Krill, Herring, Squid, and New Zealand Mussel protein, and all-natural color-enhancing ingredients for a balanced diet that boosts immune system and enhances the full spectrum of your fish's color.
    USD 15.99
    USD 15.99
  • Hikari BiFuran+ - 3.5 oz
    • Powerful Combination Of Proven Ingredients (nitrofurazone and furazolidone)
    • Highly Effective
    • Targets The Infected Areas
    • Can Be Used As A Bath, Dip Or With Food
    • Slime-Coat Replacer Helps Speed Recovery
    USD 6.99
    USD 6.99
  • Nourish - 500 ml
    • This recipe is enhanced with potassium iodide
    • Regulates the metabolism for ornamental fish
    • Used as a vitamin and amino acid supplement
    • These elements are from spirulina & chlorella
    • Specifically used for decorative freshwater fish
    USD 18.49
    USD 18.49
  • Tetra Ick Guard Tablets - 8 pk
    • Fast - Safe - Effective
    • One treatment is usually all it takes
    • Protects against secondary infections
    • No need to raise the water temperature.

    Regular Price: USD 3.99

    Sale Price USD 3.49

    Regular Price: USD 3.99

    Sale Price USD 3.49

  • Hikari Quick Ich-X - 1 fl oz
    • Powerful disease treatment for freshwater and marine aquariums
    • Improved version of the renowned Leteux-Meyer formulation
    • Quickly treats protozoan diseases Ich, Velvet, and Trichodiniasis
    • Also offers control of fungal infections such as Saprolegniasis
    • Safer form of Malachite Green is less stressful to fish and biofilter
    USD 3.49
    USD 3.49
  • New Life Spectrum Thera A Anti-Parasitic Formula - 2 mm Sinking Pellets - 125 g
    Made with high-quality, easily digested South Antarctic Krill, Herring, Squid, and New Zealand Mussel protein, and all-natural color-enhancing ingredients for a balanced diet that boosts immune system and enhances the full spectrum of your fish's color.
    USD 9.99
    USD 9.99

    Out of stock

  • Ruby Reef Kick-Ich Dosing Bottle - 1 L
    • Controls and eliminates whitespot disease (ich)
    • Suitable for freshwater or saltwater aquariums
    • Safe and effective & on the market for 14 years
    • Does not harm corals, invertebrates or plants
    • This does not tamper with the biological filtration
    USD 25.99
    USD 25.99
  • Ruby Reef Rally Dosing Bottle - 0.5 L
    • Eliminates external parasites & pathogenic bacteria
    • Suitable for any freshwater or saltwater aquariums
    • Safe, effective & has been on the market since 1998
    • Does not harm your corals, invertebrates or plants
    • This does not tamper with your biological filtration
    USD 11.49
    USD 11.49
  • API Bettafix - 1.7 fl oz
    All natural antibacterial medication for Bettas. For use on wounds, ulcers, mouth fungus and fin and tail rot. Use whenever Bettas exhibit signs of bacterial or fungal disease, such as red ulcers, frayed or torn fins, slimy patches or cottony growths.

    Regular Price: USD 3.99

    Sale Price USD 2.99

    Regular Price: USD 3.99

    Sale Price USD 2.99

  • Two Little Fishies AcroPower Amino Acid Formula for SPS Corals - 250 ml
    • Unique blend of amino acids used by corals
    • Promotes accelerated development of skeletal structures
    • Enhances the natural coloration of stony corals
    • Ideal for Acropora, Montipora, Stylophora, and others
    • Made in the U.S.A.

    Regular Price: USD 12.54

    Sale Price USD 10.99

    Regular Price: USD 12.54

    Sale Price USD 10.99

  • Two Little Fishies AcroPower Amino Acid Formula for SPS Corals - 1 L
    • Unique blend of amino acids used by corals
    • Promotes accelerated development of skeletal structures
    • Enhances the natural coloration of stony corals
    • Ideal for Acropora, Montipora, Stylophora, and others
    • Made in the U.S.A.

    Regular Price: USD 31.54

    Sale Price USD 24.99

    Regular Price: USD 31.54

    Sale Price USD 24.99

  • Red Sea Aiptasia-X - 2.02 fl oz
    Eliminate Aiptasia with Aiptasia-X. In an exciting development for reef-keepers, Red Sea has developed a unique patent pending formula to treat the pest anemones Aiptasia sp., Anemonia majano and Boloceroides sp.
    USD 10.49
    USD 10.49

    Out of stock

  • NutriGorg - 30 g
    • Particle sized concentrated zooplankton made moderately buoyant to flow longer in the water column
    • Is suitable for all filter feeding invertebrates as well as raising and maintaining sea fans and gorgonians
    • Give your aquarium life the best possible nutrition for a successful tank, developed by Justin Credabel
    USD 16.99
    USD 16.99

    Out of stock

  • API Super Ick Cure Powder Packets - 10 pk
    An effective treatment for Ich, a highly contagious disease, also called white spot disease. Quickly kills the ich parasite, usually within 24 hours. Provides fish with a synthetic slime coat barrier against secondary infection. For freshwater use only.

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Ruby Reef Kick-Ich Dosing Bottle - 2 L
    • Controls and eliminates whitespot disease (ich)
    • Suitable for freshwater or saltwater aquariums
    • Safe and effective & on the market for 14 years
    • Does not harm corals, invertebrates or plants
    • This does not tamper with the biological filtration
    USD 36.99
    USD 36.99
  • ChalicePower - 30 g
    • Particle sized concentrated dried zooplankton made heavy to sink in the water column
    • Suitable for all filter feeding invertebrates or for raising and maintaining chalice corals
    • Feed directly over the coral, as it imitates their natural suspension-feeding behaviors
    • Provide your fish & corals with the best possible nutrition developed by Justin Credabel
    USD 15.99
    USD 15.99

    Out of stock

  • Tetra Fungus Guard Tablets - 8 pk
    • Quickly and safely clears fungus and bacteria-related conditions
    • Protects against secondary infections
    • No need to raise the water temperature

    Regular Price: USD 3.99

    Sale Price USD 3.49

    Regular Price: USD 3.99

    Sale Price USD 3.49

  • Seachem MetroPlex - 100 g
    • Treatment for protozoan and anaerobic bacterial diseases
    • Effective against Cryptocaryon, Hexamita, Ichthyophthirius, etc.
    • Will not damage the filter bed and is easily removed with carbon
    • Equally effective treating freshwater and marine fish
    USD 68.65
    USD 68.65
  • Red Sea Aiptasia-X Refill - 14 fl oz
    Eliminate Aiptasia with Aiptasia-X. In an exciting development for reef-keepers, Red Sea has developed a unique patent pending formula to treat the pest anemones Aiptasia sp., Anemonia majano and Boloceroides sp.
    USD 39.99
    USD 39.99

    Out of stock

  • SR Aquaristik Coral Defense - 500 ml
    • Fast-acting and effective coral dip and disease control treatment
    • Treats microbial infections that can damage or kill coral tissue
    • Eliminates tough parasites such as flatworms and nudibranchs
    • Use with newly acquired corals to prevent spreading disease
    • Does not contain antibiotics, heavy metals, iodine, or oxidizers
    USD 9.99
    USD 9.99
  • New Life Spectrum Hex Shield - 3 mm Sinking Pellets - 125 g
    • Life-saving pellets treat Hexamita and other wasting diseases
    • Loaded with nutrients to support general health and well-being
    • Will not induce stress or suppress appetite when used correctly
    • Highly palatable formula promotes increased fish acceptance
    • Great for treating both freshwater and marine aquarium fish
    USD 24.99
    USD 24.99
  • API Triple Sulfa Powder - 850 g
    A special formula of three sulfa medications to effectively treat bacterial infections such as hemorrhagic septicemia, bacterial gill disease, fin & tail rot, cotton mouth disease, body slime and eye cloud for both fresh and saltwater fish.

    Regular Price: USD 94.99

    Sale Price USD 85.49

    Regular Price: USD 94.99

    Sale Price USD 85.49

  • Kent Marine Garlic Xtreme - 4 fl oz
    • Natural and nutritional attractant for finicky eaters
    • Does not contain artificial ingredients or steroids
    • Does not require refrigeration or freezing after opening

    Regular Price: USD 21.99

    Sale Price USD 19.79

    Regular Price: USD 21.99

    Sale Price USD 19.79

  • Seachem KanaPlex - 5 g
    Kanamycin based medication that safely and effectively treats several fungal, and bacterial fish diseases. Because it is absorbed by fish it is useful in treating internal infections in those situations where food is refused.
    USD 6.42
    USD 6.42
  • Ruby Reef Rally Dosing Bottle - 2 L
    • Eliminates external parasites & pathogenic bacteria
    • Suitable for any freshwater or saltwater aquariums
    • Safe, effective & has been on the market since 1998
    • Does not harm your corals, invertebrates or plants
    • This does not tamper with your biological filtration
    USD 25.99
    USD 25.99
  • Tetra Parasite Guard Tablets - 8 pk
    Removes external and internal parasites from tropical fish including flukes, internal worms, lice, anchor worms, and flagellates such as hexamita or spironucleus associated with hole-in-head disease.

    Regular Price: USD 3.99

    Sale Price USD 2.99

    Regular Price: USD 3.99

    Sale Price USD 2.99

  • Seachem ParaGuard - 250 ml
    ParaGuard employs a proprietary, synergistic blend of aldehydes, malachite green, and fish protective polymers that effectively and efficiently eradicates many ectoparasites on fish and external fungal/bacterial/viral lesions.
    USD 7.81
    USD 7.81
  • Hikari PraziPro - 4 fl oz
    • Treats Flukes
    • Treats Tapeworm
    • Treats Flatworms
    • Treats Turbellarians
    • Highly Effective
    USD 11.79
    USD 11.79
  • API Super Ick Cure Powder - 850 g
    An effective treatment for Ich, a highly contagious disease, also called White Spot Disease. Quickly kills the Ich parasite, usually within 24 hours. Also combats secondary bacterial infections. For use in both freshwater and saltwater aquariums.

    Regular Price: USD 72.99

    Sale Price USD 64.99

    Regular Price: USD 72.99

    Sale Price USD 64.99

  • API Furan-2 Powder - 850 g
    Contains two furan compounds to combat a wide variety of gram-positive & gram-negative bacterial diseases, including bacterial gill disease, open red sores, body slime & eye cloud, and fin & tail rot. For use in both freshwater and saltwater aquariums.

    Regular Price: USD 94.99

    Sale Price USD 84.99

    Regular Price: USD 94.99

    Sale Price USD 84.99

  • Ruby Reef Rally - 64 oz
    • Eliminates external parasites & pathogenic bacteria
    • Suitable for any freshwater or saltwater aquariums
    • Safe, effective & has been on the market since 1998
    • Does not harm your corals, invertebrates or plants
    • This does not tamper with your biological filtration
    USD 23.99
    USD 23.99
  • Ruby Reef HydroPlex Dosing Bottle - 2 L
    • Controls parasites as well as microscopic organisms
    • Used on closed system ponds and quarantine tanks
    • Quick koi & goldfish bacteria, fungi & parasite recovery
    • Dip regimen to use for newly arrived or diseased fish
    • Not recommended for amphibians, cephalopods & reefs
    USD 40.99
    USD 40.99
  • Kent Marine Zoecon - 4 fl oz
    Kent Marine Zoecon prevents head and lateral line erosion and contains natural immune system stimulants. It provides the essential marine Omega-3 fatty acids EPA and DHA, and is ideal to fortify food for juvenile and adult fish and invertebrates.

    Regular Price: USD 14.99

    Sale Price USD 10.49

    Regular Price: USD 14.99

    Sale Price USD 10.49

    Out of stock

  • Kent Marine Garlic Xtreme - 1 fl oz
    Garlic Xtreme provides a natural and nutritional attractant which effectively aids finicky eaters in taking food items. Garlic Xtreme does not contain any artificial ingredients or steroids. Does not require refrigeration or freezing after opening.

    Regular Price: USD 11.49

    Sale Price USD 9.99

    Regular Price: USD 11.49

    Sale Price USD 9.99

  • Kent Marine Zoe - 8 fl oz
    Kent Marine Zoe contains high dosages of natural marine algaes, such as spirulina, to provide essential vitamins and amino acids not available in dry, frozen, or even live food sources. Zoe (pronounced zoay) is the Greek word for life.

    Regular Price: USD 12.79

    Sale Price USD 11.49

    Regular Price: USD 12.79

    Sale Price USD 11.49

    Out of stock

  • Kent Marine Marine C - 4 fl oz
    • Suitable for marine fish and invertebrates
    • Helps their immune system & metabolism
    • Helps tissue repair from coral propagation
    • Fights off bacterial or parasitic infections
    USD 9.99
    USD 9.99

    Out of stock

  • API Pimafix - 4 fl oz
    Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water.

    Regular Price: USD 4.99

    Sale Price USD 3.99

    Regular Price: USD 4.99

    Sale Price USD 3.99

  • API Pimafix - 8 fl oz
    Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water.

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • API Pimafix - 16 fl oz
    Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water.

    Regular Price: USD 9.49

    Sale Price USD 6.99

    Regular Price: USD 9.49

    Sale Price USD 6.99

  • API Pimafix - 64 fl oz
    Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water.

    Regular Price: USD 24.99

    Sale Price USD 21.99

    Regular Price: USD 24.99

    Sale Price USD 21.99

  • API Melafix - 4 fl oz
    Heals open wounds & abrasions, treats fin and tail rot, eye cloud, mouth fungus and promotes regrowth of damaged fin rays & tissue. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants.

    Regular Price: USD 3.99

    Sale Price USD 3.49

    Regular Price: USD 3.99

    Sale Price USD 3.49

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