Penn-Plax Pro-Z Ammonia-Removing Zeolite Crystals for Aquarium Large

Penn Plax Pro Zeolite Undergravel in White | Large: 85 oz | Wayfair PBZ3

Features:UndergravelProduct Type: Plant SubstrateColor: Whites & TansPet Category: FishCountry of Origin: ChinaSpefications:Dimensions:Small dimensions: 8.5'' H x 3.5'' W x 2.4'' DMedium dimensions: 11'' H x 4'' W x 2.75'' DLarge dimensions: 13.25'' H... ... more

Zeolite Crystals for Freshwater Aquariums, 18 oz.

Help keep your aquarium free of damaging ammonia with the Imagitarium Zeolite Crystals. This fish tank filter aid helps reduce the ammonia in your water giving your finned friends a healthier environment to help them thrive. ... more

Zeolite Crystals for Freshwater Aquariums, 36.5 oz.

Help keep your aquarium free of damaging ammonia with the Imagitarium Zeolite Crystals. This fish tank filter aid helps reduce the ammonia in your water giving your finned friends a healthier environment to help them thrive. ... more

Black Prism Nano Aquarium Kit, 2 Gallon, Black / Transparent

Features a crystal clear plastic aquarium fish tank, Quiet-Power integrated filtration system, and a powerful 18 bulb LED light with low voltage for safety. Great for any novice aquarist. Fun & Function in one aquarium! ... more

Penn Plax Cascade 1500 Aquarium Canister Filter – 350 Gallons Per Hour (gph), Crystal | 20.5 H x 11.5 W x 12 D in | Wayfair CCF5UL

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Aquarium Accessory, Crystal in Black/Blue | 11 H x 3.75 W x 2 D in | Wayfair CIF21

This filter quietly delivers crystal clear water throughout the aquarium. Its unique design allows it to unobtrusively utilize unused corner space. Furthermore, it cycles water at 120 gallons per hour (gph) for fish tanks up to 20 gallons in size. It’s... ... more

Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | 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 Clear-free Premium Under Gravel Aquarium Filter For 40 - 55 Gallon Tanks, Crystal | Wayfair CFU55

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 Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

In addition to delivering crystal-clear water throughout the aquarium. This filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 gallons in size. It’s great for freshwater and saltwater aquariums, along with a variety of terrarium... ... more

Penn Plax Deco-replicas Sapphire Crystal Cave Aquarium in Blue | 3.5 H x 4.75 W x 3.5 D in | 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 Cascade Aquarium Canister Filters Cascade 500 Aquarium Canister Filter – 115 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | 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 Acrylic (shatterproof w/ great clarity) | 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 Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

The Cascade 200 quietly delivers crystal clear water, and pushes water at 185 Gallons per Hour (GPH) for tanks up to 55 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, Crystal in Green | 3.75 H x 1.5 W x 1.5 D in | Wayfair BTK10

Cascade presents the 9-Piece Betta Starter Kit. This kit offers a great value for new fish owners, or for aquarists looking to get most of the tools needed for Betta keeping. This kit comes standard with 9 pieces, including a Nano Air Pump and Mini... ... more

Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

The Cascade 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax 100 Power Hang-On Aquarium Filter Acrylic (shatterproof w/ great clarity), Crystal in Black/Blue | Wayfair CPF2

The cascade 100 quietly delivers crystal clear water and pushes water at 100 gallons per hour (GPH) for tanks up to 20 gallons in size. It’s great for freshwater and saltwater aquariums. Accommodating: the adjustable flow knob allows for increased or... ... more

Penn Plax Aquarium Internal Filter, Crystal in Black/Blue | 9.5 H x 2.5 W x 2.75 D in | Wayfair CIF2

In addition to delivering crystal clear water throughout the aquarium, the Cascade 400 cycles water at 110 Gallons per Hour (GPH) for tanks up to 20 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium... ... more

Penn Plax Cascade 1000 Aquarium Canister Filter – 265 Gallons Per Hour, Crystal | 17 H x 11.5 W x 10 D in | Wayfair CCF3UL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal-clear water throughout the tank. This filter cycles water at 265 Gallons per Hour and is recommended for aquariums up to 100 gallons. It’s compatible with both freshwater and... ... more

Penn Plax Spongebob Squarepants 3-piece Aquarium Ornament Bundle – Large | 8 H x 5 W x 4.25 D in | Wayfair SBRK3NH

This money-saving 3-Piece Aquarium Ornament Bundle features officially licensed SpongeBob SquarePants decorations. This bundle includes SpongeBob’s Pineapple House, Squidward’s Easter Island Home, and Krusty Krab. Get all 3 for 1 amazing price! Made of... ... more

Penn Plax Style 1 Aquarium Decoration | Extra Large | Wayfair DGEL1

Features:Aquarium decorationDriftwood gardenDecor Type: FigurinePet Category: Fish and Aquatic PetsProduct Type: See DescriptionCountry of Origin: ChinaSpefications:Dimensions:Large dimensions: 5.75'' H x 10'' W x 6.25'' DExtra Large dimensions: 14.5''... ... more

Penn Plax SpongeBob SquarePants Large Krusty Krab Aquarium Ornament | 4.5 H x 5 W x 3 D in | Wayfair SBAR23

From the creative minds at Nickelodeon, bring the most popular fast food joint in Bikini Bottom to your home! This large sized, officially licensed aquarium ornament makes for a great addition to all home aquariums. Made of Safe and Durable Resin: Our... ... more

Penn Plax Style 1 Aquarium Decoration | Extra Large | Wayfair DGEL1

Features:Aquarium decorationDriftwood gardenDecor Type: FigurinePet Category: Fish and Aquatic PetsProduct Type: See DescriptionCountry of Origin: ChinaSpefications:Dimensions:Large dimensions: 5.75'' H x 10'' W x 6.25'' DExtra Large dimensions: 14.5''... ... more

Penn Plax Coral Reef Aquarium Decoration – Arch w/ Green Silicone Plant – Large | 6.5 H x 9.5 W x 5 D in | Wayfair RR3151

In addition to featuring several silicone plants that sway with your tank’s water, our Coral Reef aquarium decorations provide numerous caves and hideouts for fish to swim through. Furthermore, an array of vibrant colors replicates the natural beauty... ... more

Penn Plax Age-of-magic Extra Large Wizard’s Castle Part B Aquarium Decoration | 15.5 H x 13 W x 9 D in | Wayfair RRW10

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 Age-of-magic Extra Large Wizard’s Castle Part A Aquarium Decoration | 14 H x 12.75 W x 6.5 D in | 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 Age-of-magic Large Wizard’s Castle Aquarium Decoration | 10 H x 7.25 W x 5.5 D in | Wayfair RRW8

Add some whimsical charm and wonder to your fish tank with the Large Wizard’s Castle Aquarium Decoration detailed aquarium decoration. This fully colored aquatic ornament features a large gray castle perched upon a rocky hill, with a cone-shaped roof,... ... more

Penn Plax Age-of-Magic Aquarium Decorations Aquarium Accessory | 12 H x 7.25 W x 5.75 D in | 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 Style 3 Aquarium Decoration | Super | Wayfair DGSP1

Features:Aquarium decorationDriftwood gardenDecor Type: FigurinePet Category: Fish and Aquatic PetsProduct Type: See DescriptionCountry of Origin: ChinaSpefications:Dimensions:Large dimensions: 4.5'' H x 10.3'' W x 4.5'' DExtra Large dimensions: 11.5''... ... more

Penn Plax Aquarium Accessory in Blue | 8 H x 4 W x 4 D in | Wayfair SBR46

From the creative minds at Nickelodeon, bring the house of Squidward Q. Tentacles, located in Bikini Bottom, to your own home! This large sized, officially licensed aquarium ornament from Penn-Plax makes for a great addition to all home aquariums! Made... ... more

Penn Plax Style 3 Aquarium Decoration | Super | Wayfair DGSP1

Features:Aquarium decorationDriftwood gardenDecor Type: FigurinePet Category: Fish and Aquatic PetsProduct Type: See DescriptionCountry of Origin: ChinaSpefications:Dimensions:Large dimensions: 4.5'' H x 10.3'' W x 4.5'' DExtra Large dimensions: 11.5''... ... more

Penn Plax Aquarium Accessory, Granite in Gray | 6 H x 7 W x 7 D in | Wayfair RR1075

Deco-Replicas presents the Granite Aquarium Ornament & Hideaway 2 Piece Set (Large & Extra Large). Although these items are not made from granite, they resemble the real thing. Not only does these pieces compliment the interior décor of many modern... ... more

Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 2.2 H x 11.8 W x 15 D in | Wayfair RR3110

Add some ominous charm and vivid color to your fish tank with the Large Wrecked Jet! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and around it,... ... more

Penn Plax Aquarium Accessory, Granite | 3.5 H x 6 W x 5.5 D in | Wayfair RR1070

Deco-Replicas presents the Granite Aquarium Ornament & Hideaway 8 Piece Set (Small, Medium, and Large). These rock formations are made from sand of real granite, and is not made of plastic or resin. The texture mimics a variety of rough surfaces found... ... more

Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Blue/Brown | 2.6 H x 13.8 W x 6 D in | Wayfair RR3107

Add some ominous charm and vivid color to your fish tank with the Large Blue Plane Coral Scape! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and... ... more

Penn Plax Aquarium Accessory, Granite | 3.5 H x 6 W x 5.5 D in | Wayfair RR1073

Deco-Replicas presents the Granite Aquarium Ornament & Hideaway (Large Size) by Penn-Plax. Although this item not made from granite, it resembles the real thing. Not only does this piece compliment the interior décor of many modern homes, it also... ... more

Penn Plax Daily-double Automatic Fish Feeder For Aquariums in Black | 4.25 H x 3.25 W x 3.5 D in | Wayfair DDAF5

This feeder is the perfect solution for aquarists who want to make sure their fish are fed during a weekend trip, a vacation, or a holiday stay. The large capacity food drum holds enough flake food for up to 4 weeks! It’s safe for freshwater and... ... more

Penn Plax Aquarium Accessory in Blue/Green/Orange | 7.25 H x 4.25 W x 4.25 D in | Wayfair SBR41

From the creative minds at Nickelodeon, bring SpongeBob’s famous pineapple house that’s located on 124 Conch Street, Bikini Bottom, to your home! This large sized, officially licensed aquarium ornament makes for a great addition to all home aquariums!... ... more

Penn Plax Edward Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 1.6 H x 10.3 W x 4.6 D in | Wayfair RR702

Rock Grotto Aquarium Ornament This realistic rock look is appealing to all aquarium creatures. They will vie for their favorite spot. Fish love the in and out action just like small ocean caves. Choose the large, medium or corner design for your style... ... more