Accessories

40 Item(s)

From nets and traps to tank dividers, you’ll find all of the convenient accessories you need for your aquarium when you shop online at Big Al’s. Our selection of fish tank accessories includes dozens of carefully selected items that are both high in quality and reasonable in price. In fact, you’ll find many of these popular items are regularly on sale, ensuring that you save money on aquarium maintenance at every turn.

Our selection of aquarium accessories makes maintaining a fish tank easier on a day-to-day basis. For example, we have breeding boxes where you can secure livebearing fish and fry without a worry. Our tank dividers, meanwhile, make it easy to keep fish in certain areas without affecting heating or water filtration. And of course, no fish keeper can go without a fish net, which comes in handy when it’s time to clean the aquarium.
  • Marina Hang-On Holding & Breeding Box - Large
    • Ideal for breeding, isolating, or acclimitizing fish and shrimp
    • Safe and secure nursery for livebearer fish
    • Space-saving, hang on design mounts easily
    • Fry slip through divider and become segregated from adults
    • No additional heaters or filters are required

    Regular Price: USD 16.99

    Special Price USD 11.99

    Regular Price: USD 16.99

    Special Price USD 11.99

  • Lee's Break Resistant Specimen Container - Large
    This multi-purpose clear container can be used as a holding tank, treatment tank, or for observation (as a treatment tank, less medication is required). Hang inside your aquarium to utilize the benefits of your heater. One inch wide handle for hanging.

    Regular Price: USD 10.99

    Special Price USD 9.89

    Regular Price: USD 10.99

    Special Price USD 9.89

  • Lee's AQ2 Aquarium Divider System - 29/55 gal
    Use one or more AQ2 Aquarium Dividers to create separate compartments in your aquarium while maintaining overall heat circulation and unobstructed filtration.

    Regular Price: USD 18.99

    Special Price USD 15.29

    Regular Price: USD 18.99

    Special Price USD 15.29

  • Penn Plax Tank-Divider - Extra Large
    Instantly converts one aquarium into two! Can be set up as a breeding compartment in seconds. Provides a separate area for fry, or segregates aggressive fish from a peaceful community. Allows for complete heater circulation and unrestricted filtration.

    Regular Price: USD 8.99

    Special Price USD 7.99

    Regular Price: USD 8.99

    Special Price USD 7.99

  • Penn Plax Tank-Divider - Super
    Instantly converts one aquarium into two! Can be set up as a breeding compartment in seconds. Provides a separate area for fry, or segregates aggressive fish from a peaceful community. Allows for complete heater circulation and unrestricted filtration.

    Regular Price: USD 10.99

    Special Price USD 9.89

    Regular Price: USD 10.99

    Special Price USD 9.89

  • Cobalt Aquatics Egg Rocker - 65
    • Air-powered egg hatching system simulates natural mouthbrooding
    • Maintains optimal incubation conditions to maximize hatch rates
    • Provides a consistent flow of fresh water and gentle rocking motion
    • Inhibits mold and fungus growth without the use of chemicals
    • Creates and maintains a healthy, oxygen-rich environment

    Regular Price: USD 43.99

    Special Price USD 29.99

    Regular Price: USD 43.99

    Special Price USD 29.99

  • Underwater Treasures Multi-Use Breeder
    Ideal for separating pregnant females from other tankmates, protecting new-born fry from potential predators, isolating injured of aggressive fish, and more! Includes 4 suction cups for convenient placement anywhere inside your aquarium.

    Regular Price: USD 6.89

    Special Price USD 4.99

    Regular Price: USD 6.89

    Special Price USD 4.99

  • Coralife Trap-Em
    A quick and efficient way to trap and remove bristle worms from any reef aquarium. Because bristle worms grow and multiply rapidly, they should be removed quickly to prevent them from becoming a problem.

    Regular Price: USD 9.69

    Special Price USD 8.72

    Regular Price: USD 9.69

    Special Price USD 8.72

  • Lee's Ghost House - 10" x 2"
    • Inside the ghost house, their radar tells them that they are hidden, making them highly visible for maximum viewing pleasure.
    • A clear cylinder with 2 legs to anchor in aquarium gravel.

    Regular Price: USD 6.69

    Special Price USD 6.02

    Regular Price: USD 6.69

    Special Price USD 6.02

  • Marina Hang-On Breeding Box - Medium
    • Ideal for breeding, isolating, or acclimitizing fish and shrimp
    • Safe and secure nursery for livebearer fish
    • Space-saving, hang on design mounts easily
    • Fry slip through divider and become segregated from adults
    • No additional heaters or filters are required

    Regular Price: USD 12.99

    Special Price USD 9.99

    Regular Price: USD 12.99

    Special Price USD 9.99

  • Underwater Treasures Guppy Breeder
    Ideal for separating pregnant females from other tankmates, protecting new-born fry from potential predators, isolating injured of aggressive fish, and more! Includes 4 suction cups for convenient placement anywhere inside your aquarium.

    Regular Price: USD 3.59

    Special Price USD 3.23

    Regular Price: USD 3.59

    Special Price USD 3.23

  • Lee's AQ2 Aquarium Divider System - 10 gal
    Use one or more AQ2 Aquarium Dividers to create separate compartments in your aquarium while maintaining overall heat circulation and unobstructed filtration.

    Regular Price: USD 12.99

    Special Price USD 9.89

    Regular Price: USD 12.99

    Special Price USD 9.89

  • Underwater Treasures Fish Net - Fine - 10"
    This ultra-soft nylon net is ideal for handling delicate fish. It has a durable and bendable handle wrapped in PVC to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 3.49

    Special Price USD 2.49

    Regular Price: USD 3.49

    Special Price USD 2.49

  • Tom Aquatics Baby Nursery
    The baby nursery is a hatchery to protect babies from the adult fish. Place the pregnant fish into the unit and the newborns will escape through the bars or under the v-shape partition. The divider allows the nursery to hold two pregnant fish at a time.

    Regular Price: USD 5.99

    Special Price USD 5.39

    Regular Price: USD 5.99

    Special Price USD 5.39

  • Underwater Treasures Fish Net - Coarse - 14"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 5.49

    Special Price USD 3.49

    Regular Price: USD 5.49

    Special Price USD 3.49

  • Underwater Treasures Fish Net with Long Handle - Coarse - 8"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 3.89

    Special Price USD 2.49

    Regular Price: USD 3.89

    Special Price USD 2.49

  • Underwater Treasures Net Breeder
    Ideal for separating pregnant females from other tankmates, protecting new-born fry from potential predators, isolating injured of aggressive fish, and more! Includes 4 suction cups for convenient placement anywhere inside your aquarium.

    Regular Price: USD 6.99

    Special Price USD 4.99

    Regular Price: USD 6.99

    Special Price USD 4.99

  • Underwater Treasures Net Breeder Isolation Chamber
    Ideal for separating pregnant females from other tankmates, protecting new-born fry from potential predators, isolating injured of aggressive fish, and more! Includes 4 suction cups for convenient placement anywhere inside your aquarium.

    Regular Price: USD 5.99

    Special Price USD 3.99

    Regular Price: USD 5.99

    Special Price USD 3.99

  • Underwater Treasures Fish Net - Fine - 4"
    This ultra-soft nylon net is ideal for handling delicate fish. It has a durable and bendable handle wrapped in PVC to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 1.19

    Special Price USD 0.79

    Regular Price: USD 1.19

    Special Price USD 0.79

  • Underwater Treasures Fish Net with Long Handle - Coarse - 5"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 1.89

    Special Price USD 0.99

    Regular Price: USD 1.89

    Special Price USD 0.99

  • Jungle Net Soak - 8 fl oz
    • Cleans nets safely

    Regular Price: USD 5.99

    Special Price USD 4.99

    Regular Price: USD 5.99

    Special Price USD 4.99

  • Penn Plax Tank-Divider - Large
    Instantly converts one aquarium into two! Can be set up as a breeding compartment in seconds. Provides a separate area for fry, or segregates aggressive fish from a peaceful community. Allows for complete heater circulation and unrestricted filtration.

    Regular Price: USD 7.99

    Special Price USD 7.19

    Regular Price: USD 7.99

    Special Price USD 7.19

  • Jungle Net Soak - 1 gal
    A net soaking compound used to maintain clean, soft nets and prevent contamination between aquariums. Removes most harmful substances and keeps net moist and soft, resulting in less abrasion to fish.

    Regular Price: USD 79.99

    Special Price USD 69.99

    Regular Price: USD 79.99

    Special Price USD 69.99

  • Penn Plax Brine Shrimp Net - 4"
    Penn Plax Brine Shrimp Nets will drain out live brine shrimp, or they can be used to scoop out fine debris from your aquarium when doing maintenance! A terrific tool for any aquarium hobbyist.

    Regular Price: USD 2.29

    Special Price USD 1.49

    Regular Price: USD 2.29

    Special Price USD 1.49

  • Underwater Treasures Fish Net - Fine - 5"
    This ultra-soft nylon net is ideal for handling delicate fish. It has a durable and bendable handle wrapped in PVC to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 1.39

    Special Price USD 0.99

    Regular Price: USD 1.39

    Special Price USD 0.99

  • Fluval Edge Extendable Fish Net
    • Telescoping handle extends from 14" to 22.25"
    • 4" triangular head provides easy access to corners
    • Super-soft mesh netting is safe for delicate species
    • Features a soft easy grip handle for comfort
    • Made from high-quality, rigid plastic for durability

    Regular Price: USD 9.99

    Special Price USD 7.99

    Regular Price: USD 9.99

    Special Price USD 7.99

  • Lee's Fish Net Breeder
    The Net Breeder is ideal as a maturation tank for fry. In addition, it can also be used to isolate injured or aggressive fish. The Net Breeder features our new frame style with removable, locking legs and a fine nylon mesh net.

    Regular Price: USD 6.99

    Special Price USD 6.29

    Regular Price: USD 6.99

    Special Price USD 6.29

  • Penn Plax Tank-Divider - Medium
    Instantly converts one aquarium into two! Can be set up as a breeding compartment in seconds. Provides a separate area for fry, or segregates aggressive fish from a peaceful community. Allows for complete heater circulation and unrestricted filtration.

    Regular Price: USD 7.49

    Special Price USD 6.74

    Regular Price: USD 7.49

    Special Price USD 6.74

  • Fluval Telescopic Shrimp Net
    • Specifically designed for handling freshwater shrimp
    • Deep pocket helps prevent shrimp from escaping
    • Finely woven, anti-snag netting prevents tangling
    • Stainless steel telescopic handle extends from 5 to 14 inches
    USD 4.99
    USD 4.99
  • Penn Plax Brine Shrimp Net - 3"
    This brine shrimp net has very tight mesh allowing you to catch small organisms such as brine shrimp or fish. This soft nylon mesh is gentle enough on your fish's scales do you will not injure them while moving them from place to place.

    Regular Price: USD 1.49

    Special Price USD 1.34

    Regular Price: USD 1.49

    Special Price USD 1.34

  • Underwater Treasures Fish Net - Coarse - 12"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 4.99

    Special Price USD 3.49

    Regular Price: USD 4.99

    Special Price USD 3.49

  • Underwater Treasures Fish Net - Fine - 6"
    This ultra-soft nylon net is ideal for handling delicate fish. It has a durable and bendable handle wrapped in PVC to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 2.39

    Special Price USD 1.59

    Regular Price: USD 2.39

    Special Price USD 1.59

  • Marina Hang-On Breeding Box - Small
    • Ideal for breeding, isolating, or acclimitizing fish and shrimp
    • Safe and secure nursery for livebearer fish
    • Space-saving, hang on design mounts easily
    • Fry slip through divider and become segregated from adults
    • No additional heaters or filters are required

    Regular Price: USD 8.99

    Special Price USD 6.99

    Regular Price: USD 8.99

    Special Price USD 6.99

  • UltraLife Worm Tube
    • Easily catch bristle worms, fire worms, spaghetti worms, etc.
    • Includes worm bait starter package
    USD 6.99
    USD 6.99
  • Underwater Treasures Fish Net - Coarse - 10"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 3.89

    Special Price USD 2.49

    Regular Price: USD 3.89

    Special Price USD 2.49

  • Underwater Treasures Fish Net - Coarse - 3"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 1.19

    Special Price USD 0.79

    Regular Price: USD 1.19

    Special Price USD 0.79

  • Underwater Treasures Fish Net - Coarse - 4"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 1.19

    Special Price USD 0.79

    Regular Price: USD 1.19

    Special Price USD 0.79

  • Underwater Treasures Fish Net - Coarse - 5"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 1.39

    Special Price USD 0.99

    Regular Price: USD 1.39

    Special Price USD 0.99

  • Underwater Treasures Fish Net - Coarse - 6"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 2.39

    Special Price USD 1.59

    Regular Price: USD 2.39

    Special Price USD 1.59

  • Underwater Treasures Fish Net - Coarse - 8"
    This coarse nylon net is ideal for fast and safe fish catching. Features a durable plastic coated handle to prevent rusting. For freshwater and saltwater applications.

    Regular Price: USD 3.39

    Special Price USD 2.49

    Regular Price: USD 3.39

    Special Price USD 2.49