Penn Plax Round Aquarium Tank 17.25 H x 17.7 W x 17.7 D in black/gray | 10 Gallon (17.25" H x 17.7" W x 17.7" D) | Wayfair AS360

58 Gallons Front Acrylic Aquarium Cylinder Tank, 39.5" L X 15.2" W X 60.6" H, 39.5 IN, Black / Transparent

Water World Luxury presents the Large Bow Front Acrylic Aquarium (58 Gallons) by Penn-Plax. This item features a matching glossy black base and top cover, with a single accented gold line along the bottom of both. ... more

53 Gallons Cylinder Acrylic Aquarium Tank, 24.25" L X 24.25" W X 59.8" H, 24.25 IN, Black / Transparent

Water World Luxury presents the Large Cylinder Acrylic Aquarium (53 Gallons) by Penn-Plax. This item features a matching glossy black base and top cover, with a single accented gold line along the bottom of both. ... more

The Little Mermaid Ariel on Rock Aquarium Ornament, 1.75" L X 2.8" W X 3.1" H, 3.2 OZ, Green / Red

Decorate your aquarium with The Little Mermaid ornaments. This aquarium ornament provides shelter and hiding places for your fish to alleviate stress. ... more

Penn Plax Age-of-Magic Aquarium Decorations Aquarium Accessory 8.0 H x 5.25 W x 3.75 D in black/gray | 3.75" L x 5.25" W x 8.0" H | Wayfair RRW12

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features a medium castle perched upon a rocky hill, with a cone-shaped roof, towers, archways, and stone details... ... more

Penn Plax Clear-Free Premium Under Gravel Aquarium Filter for 20 & 29 Gallon Tanks 17.0 H x 28.0 W x 11.1 D | 11.1" L x 28.0" W x 17.0" H | Wayfair

Those who’ve been around the aquatic block for a while know that Under Gravel Filters (UGFs) are a testament of time. This Filter is air driven and utilizes an Air Pump (not included) to cycle crystal clear water throughout your aquarium, while keeping... ... more

Penn Plax Age-of-Magic Aquarium Decorations Aquarium Accessory 12.0 H x 7.25 W x 5.75 D in blue | 5.75" L x 7.25" W x 12.0" H | Wayfair RRW13

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features a large castle perched upon a rocky hill, with a cone-shaped roof, towers, archways, and stone details that... ... more

Penn Plax Bowfront Aquarium Tank 6.75 H x 11.5 W x 4.0 D in Acrylic (shatterproof w/ great clarity) in Blue | 0.7 gallons | Wayfair BBT4

The Deluxe Triple Betta Tank offers a safe and convenient way to house up to 3 Bettas in a single aquarium! This 0.7 gallon tank features 2 removeable, double-sided dividers with built-in slits for even water flow. You can remove one or both dividers,... ... more

Penn Plax Age-of-magic Extra Large Wizard’s Castle Part A Aquarium Decoration 14.0 H x 12.75 W x 6.5 D in black/gray | Wayfair RRW9

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features an Extra large gray castle perched upon a rocky hill, with blue cone-shaped roofs, towers, archways, and... ... more

Penn Plax Aquarium Decoration 1.7 H x 5.8 W x 5.5 D in brownWood (best for furniture style stands) in Beige | 1.7" H x 5.8" W x 5.5" D | Wayfair

This Penn-Plax 5 inch granite stone replica is hollow with a round entryway, perfect for your reptile to rest or hide. Made of safe, durable resin, this decoration is safe for use in all terrariums or aquariums. This stone hideaway is freestanding and... ... more

Penn Plax Aqua-flora Tree Base Aquarium Decoration w/ Glosso Seeds 3.9 H x 2.8 W x 2.2 D in/green, Resin in Brown | 2.2" L x 2.8" W x 3.9" H | Wayfair

This Aqua-Flora Living Resin is truly a sight to behold! Each resin is embedded with live Glosso plant seeds. There’s no need to place seeds into the decoration or your tank’s bottom surface! Simply submerge the resin into a freshwater tank, and watch... ... more

Penn Plax Aquarium Decoration 3.6 H x 7.5 W x 6.5 D in brownWood (best for furniture style sds) in Tan | 3.6" H x 7.5" W x 6.5" D | Wayfair REP1074

This Penn-Plax 5 inch granite stone replica is hollow with a round entryway, perfect for your reptile to rest or hide. Made of safe, durable resin, this decoration is safe for use in all terrariums or aquariums. This stone hideaway is freestanding and... ... more

Penn Plax Aquarium Decoration 1.7 H x 5.8 W x 5.5 D in brownWood (best for furniture style stands) in Beige | 1.7" H x 5.8" W x 5.5" D | Wayfair

This Penn-Plax 5 inch granite stone replica is hollow with a round entryway, perfect for your reptile to rest or hide. Made of safe, durable resin, this decoration is safe for use in all terrariums or aquariums. This stone hideaway is freestanding and... ... more

Penn Plax Warm Tone 800w Led Aquarium Heater 23.5 H x 1.5 W x 1.5 D in black/gray/redGlass (cost efficient & easy to clean) in Black/White | Wayfair

Warm Tone presents the 800W LED Aquarium Heater. This heater easily maintains healthy water temperature, and can be set anywhere between 61 ℉ and 90 ℉, by using the precise adjustment dial. Our Warm Tone Aquarium Heaters are factory set to 76 ℉, and... ... more

Penn Plax Rectangle Aquarium Pump 1.1 H x 3.8 W x 2.4 D in black/, Rubber in Blue | 0.1" H x 3.8" W x 2.4" D | Wayfair AT2K4

Air Tech aquarium air pumps from Penn Plax feature quality components to provide reliable, quiet operation for aquarists everywhere. Despite the high quality of Air Tech pumps, they’re still available at an attractive price point, and are one of the... ... more

Penn Plax Rectangle Aquarium Pump 0.6 H x 4.3 W x 2.4 D in black/, Rubber in Blue | 0.6" H x 4.3" W x 2.4" D | Wayfair AT2K2

Air Tech aquarium air pumps from Penn Plax feature quality components to provide reliable, quiet operation for aquarists everywhere. Despite the high quality of Air Tech pumps, they’re still available at an attractive price point, and are one of the... ... more

Penn Plax Aquarium Filter 1.3 H x 8.8 W x 2.5 D in white in Clear | 1.3" H x 8.8" W x 2.5" D | Wayfair GV24

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium. Size: 1.3" H x 8.8" W x 2.5" D | Penn Plax Aquarium Filter... ... more

Penn Plax Rectangle Aquarium Pump 0.6 H x 4.3 W x 2.4 D in black/, Rubber in Blue | 0.6" H x 4.3" W x 2.4" D | Wayfair AT2K2

Air Tech aquarium air pumps from Penn Plax feature quality components to provide reliable, quiet operation for aquarists everywhere. Despite the high quality of Air Tech pumps, they’re still available at an attractive price point, and are one of the... ... more

Penn Plax Air-tech Aquarium Air Pump – Single Outlet – Fish Tanks Up To 30 Gallons 2.25 H x 4.0 W x 3.25 D in black/blue | Wayfair AT2K3

The AT2K3 Air-Tech model quietly aerates and oxygenates fish tanks up to 30 gallons in size. It comes equipped with a single outlet that accepts standard 3/16” airline tubing. It also provides constant air flow, and is safe for both freshwater and... ... more

Penn Plax 1 Gallon AquaTerrium™ Aquarium Tank 11.0 H x 10.0 W x 9.0 D in black/blue/gray/whiteGlass (cost efficient & easy to clean) | Wayfair PTA1

The AquaTerrium Aquarium Tank by Penn Plax is the latest in aquatic ecosystems. It’s beautiful and revolutionary design allows you to grow your favorite live plants or herbs together with your fish in one symbiotic environment. The Aquarium Tank... ... more

Penn Plax Aquarium Filter 1.3 H x 8.8 W x 2.5 D in white in Clear | 1.3" H x 8.8" W x 2.5" D | Wayfair GV24

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium. Size: 1.3" H x 8.8" W x 2.5" D | Penn Plax Aquarium Filter... ... more

Penn Plax Cascade Aquarium Canister Filters Cascade 500 Aquarium Canister Filter – 115 Gallons Per Hour Aquarium Accessory 13.5 H x 11.5 W x 9.0 D | Wayfair

Without effort, the Cascade 500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 115 Gallons per Hour, and is recommended for aquariums up to 30 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory 15.0 H x 11.5 W x 10.0 D | Wayfair

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Silent-air Aquarium Air Pump w/ Battery Backup 1.75 H x 3.25 W x 6.0 D, Metal in Blue | 6.0" L x 3.25" W x 1.75" H | Wayfair SAB11

This model of the Silent-Air Aquarium Air Pump is a real life saver! The SAB11 Air Pump plugs into an electrical outlet, and monitors power at your home or office. If power becomes interrupted, for any reason, the air pump instantly turns on, thus... ... more

Penn Plax 150 Power Hang-On Aquarium Filter 6.75 H x 7.25 W x 4.75 D, Crystal in Black/Blue | 4.75" L x 7.25" W x 6.75" H | Wayfair CPF3

The 150 quietly delivers crystal clear water, and pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax Aquarium Accessory 3.75 H x 24.4 W x 3.75 D in Acrylic (shatterproof w/ great clarity) in Blue/Black | 3.75" L x 24.4" W x 3.75" H | Wayfair

Compared to filters, heaters, bubblers, substrates, decorative ornaments, and even fish food, aquarium backgrounds are often overlooked. But for those looking to decorate even further, our backgrounds offer extra depth and detail! This roll is printed... ... more

Penn Plax Aquarium Accessory 14.5 H x 16.5 W x 5.25 D in black/brown/gray | 5.25" L x 16.5" W x 14.5" H | Wayfair RR963

Add some ominous charm and mischief to your fish tank! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for anything pirate themed! This piece fits comfortably inside 20+ gallon tanks! Made of safe and durable... ... more

Penn Plax Deco-replicas Sapphire Crystal Cave Aquarium 3.5 H x 4.75 W x 3.5 D in Blue | 3.5" L x 4.75" W x 3.5" H | Wayfair RR3045

Add some sparkles and shine to your fish tank with this colorful piece! This translucent, sapphire blue aquarium decoration features a swim-though that doubles as a hiding space, which helps reduce fish stress and boredom. It’s also perfect for... ... more

Penn Plax Aquarium Accessory 0.24 H x 500.0 W x 0.24 D in Acrylic (shatterproof w/ great clarity) in Clear | 0.24" L x 500.0" W x 0.24" H | Wayfair

As aquarists and fish-keeping hobbyists know, it’s always good to have extra airline tubing on hand. Our Standard 3/16” Airline Tubing offers a great solution for various aquarium airline needs, such as connecting an air pump to an air stone, an... ... more

Penn Plax Rugrats 3-piece Aquarium Decoration Bundle – Small 5.6 H x 2.2 W x 9.1 D in Blue/Beige/Yellow | 9.1" L x 2.2" W x 5.6" H | Wayfair RUGR1

From the creative minds at Nickelodeon, bring some laughter and adventure from the Pickles’ House into your own fish tank with this Rugrats 3-Piece Aquarium Decoration Bundle. These small, officially licensed aquarium ornaments are great for decorating... ... more

Penn Plax Aquarium Decoration 1.6 H x 10.0 W x 4.5 D in black/blue in Black;tan | 4.5" L x 10.0" W x 1.6" H | Wayfair RR926

This medium-sized aquarium decoration is perfect for your fish tank. Measuring at 5 x 2 x 4 inches, this decor relieves boredom of your fish by giving them a new area to explore, offering you the beauty of the pirate treasure ship in your aquarium. |... ... more

Penn Plax SpongeBob 7-Piece Mini Aquarium Ornament Set 2.0 H x 1.0 W x 1.0 D in Black;blue;yellow | 1.0" L x 1.0" W x 2.0" H | Wayfair SBRK2NH

Turn your fish tank into your very own Bikini Bottom with this 7 Piece Mini Aquarium Ornament Set, which includes SpongeBob, Patrick, Sandy, Squidward, Gary, Mr. Krabs, and Plankton. Made of Safe and Durable Resin: All included pieces are inspected... ... more

Penn Plax Jaws 2-Piece Aquarium Ornament Bundle 3.0 H x 2.25 W x 5.75 D in blue/white | 5.75" L x 2.25" W x 3.0" H | Wayfair JWSRB1

From the creative minds at Universal Studios, bring some action and thrill into your fish tank with this 2-Piece Aquarium Ornament Bundle. These small, officially licensed Aquarium Ornaments are perfect for desktop aquariums, and are great for anyone... ... more

Penn Plax Aquarium Accessory 4.9 H x 2.6 W x 12.6 D in green, Resin | 12.6" L x 2.6" W x 4.9" H | Wayfair JPRK1

From the creative minds at universal studios bring some chaos into your fish tank with this 3 piece aquarium ornament bundle these small officially licensed aquarium ornaments are perfect for desktop aquariums and are great for anyone who loves the... ... more

Penn Plax Aquarium Decoration 8.7 H x 16.4 W x 11.25 D in black/brown/red in White;green;brown;red | 11.25" L x 16.4" W x 8.7" H | Wayfair RR960

Deco-Replicas presents the Medium Striped Sail Shipwreck Aquarium Decoration by PENN-PLAX. Add some ominous charm and wonder to your fish tank with the Striped Sail Shipwreck! This fully detailed aquarium decoration makes for a great centerpiece or... ... more

Penn Plax Aquarium Accessory 12.75 H x 14.0 W x 10.75 D in brown/green/pink in Gold/Blue | 10.75" L x 14.0" W x 12.75" H | Wayfair RR1592

Like the rest of the aquarium ornaments from this collection, the Diver’s Helmet will instantly add depth, wonder, and mystery to your aquarium. Although this piece is perfect for themed tanks, it’s also great as a centerpiece or complementary accent,... ... more

Penn Plax Aquarium Accessory 7.0 H x 13.0 W x 4.0 D in blue/green/indigo in Blue;brown | 4.0" L x 13.0" W x 7.0" H | Wayfair RR931

Add some ominous charm and wonder to your fish tank with the sunken treasure ship! this fully detailed aquarium decoration makes for a great centerpiece or accent, and is perfect for anything pirate or nautical-themed! the smallest fish can swim... ... more

Penn Plax Aquarium Accessory 3.5 H x 4.75 W x 3.5 D in indigo in Purple | 3.5" L x 4.75" W x 3.5" H | Wayfair RR3042

Add some sparkles and shine to your fish tank with this colorful piece! This translucent, amethyst purple aquarium decoration features a swim-though that doubles as a hiding space, which helps reduce fish stress and boredom. It’s also perfect for... ... more