Best Koller Products in 2026

PREMIUM REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water crystal clear and your fish healthy.

PRE-ASSEMBLED - READY TO USE: No assembly required, no mess.

DENSE POLY-FIBER OUTER SHELL: Dual-sided poly-fiber floss removes fish waste and other debris.

REMOVES DEBRIS: Dual-sided poly-fiber floss removes fish waste and other debris quickly.

FULLY ASSEMBLED: Ready-to-use cartridge contains premium activated carbon that keeps water clean and fish healthy.

OPTIMUM PERFORMANCE: For optimum filter performance replace cartridge monthly or sooner if heavily soiled and reduced water flow.

REMOVES DEBRIS: Dual-sided poly-fiber floss removes fish waste and other debris.

FULLY ASSEMBLED: Ready-to-use cartridge contains premium activated carbon that keeps water clean and fish healthy.

ENHANCE FILTRATION: Specially designed to enhance filtration all the while keeping your fish in best health.

Fill with fresh flowers, silk flowers, potpourri, glass beads or decorative marbles.

Panaview 360-viewing, perfect for home decor, weddings, crafting and centerpieces.

Manufactured of shatterproof plastic, unlike glass fish bowls that can shatter when dropped this durable bowl puts to rest any concerns about possible accidents and glass all over.

PREMIUM REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water crystal clear and your fish healthy.

PRE-ASSEMBLED - READY TO USE: No assembly required, no mess.

DENSE POLY-FIBER OUTER SHELL: Dual-sided poly-fiber floss removes fish waste and other debris.

FUN and REWARDING: Are you looking to buy an aquarium for your children? If you are, you are going to want to look at this fish tank. Owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership.

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red.

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 45 gallons per hour effectively removing organic pollutants including discolorations, odors, heavy metals, and toxic gases. Uses Koller Products S replacement filter cartridges (AQ10FC-60).

TRENDY DESIGN: Ideal for your tropical fish, this trendy aquarium will look good wherever you place it, easy to set up and easy to maintain.

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red.

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallons per hour effectively removing organic pollutants including discoloration, odors, heavy metals, and toxic gases. Uses Koller Products XS replacement filter cartridges (AQ05FC-30), available on Amazon.

Energy-efficient LED lighting with 7 dazzling color choices to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red.

Powerful internal power filter cleans and purifies aquarium water at a flow rate of 45 gallons per hour effectively removes organic pollutants (including discolorations, odors, heavy metals, and toxic gases), uses Koller Products Small filter cartridges (AQ10FC-60).

Made of impact-resistant plastic with crystal-clear clarity so good that most think it's made of glass.

FUN and REWARDING: Are you looking to buy an aquarium for your family? If you are, you are going to want to look at this fish tank. Owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership.

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red.

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallons per hour effectively removing organic pollutants including discoloration, odors, heavy metals, and toxic gases; uses Koller Products XS replacement filter cartridges (AQ05FC-30).

FUN and REWARDING: Are you looking to buy an aquarium for your family? Owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership.

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red.

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallons per hour effectively removing organic pollutants. Uses Koller Products XS replacement filter cartridges (AQ05FC-30), available on Amazon.

USB Micro-B connector 6.85 by 1.8 mm (0.270 by 0.071 in)

Enables aquarium's LED lights to be plugged into 110V household electrical outlet

Saves on battery costs, no more trips to the store to buy batteries

FAMILY ENJOYMENT: Owning an aquarium can be a really fun and rewarding experience while providing many wellness benefits such stress relief, sleeping better at night and better productivity at work

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallon per hour, effectively removing fish waste and debris; uses Koller Products XS replacement filter cartridges, B086GMHR1P, available on Amazon

FUN and REWARDING: Are you looking to buy an aquarium for your family, owning an aquarium can be a really fun rewarding experience while providing many wellness benefits.

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red depending on the time of day or your viewing pleasure.

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 45 gallon per hour, effectively removing fish waste and debris; uses Koller Products S replacement filter cartridges (AQ10FC-60), available on Amazon.

4.5-volt power adapter for use with KollerCraft aquariums with battery-powered LED lights

Allows you to operate aquarium's LED lights from an electrical power outlet

70-inch power cord length

FUN and REWARDING: Are you looking to buy an aquarium for your family? If you are, you are going to want to look at this fish tank, owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership.

DAZZLING LIGHT COLORS: Energy-efficient LED lighting with 7 dazzling color choices you can select to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red.

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 45 gallons per hour effectively removing organic pollutants, all the while keeping your fish healthy. Power filter uses Koller Products S replacement filter cartridges, 3 pack (AQ10FC-30), 6 pack (AQ10FC-60), available on Amazon.

Energy-efficient LED lighting with 7 dazzling color choices to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red

Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallons per hour as the Tetra Whisper S filter cartridge effectively removes organic pollutants (including colors, odors, heavy metals, and toxic gases)

Includes built-in light timer, set your LED light to come on at the same time every day, timer enables you to select light settings of 2 Hours, 4 Hours or Continuous On easily with a flick of your finger

FAMILY ENJOYMENT: Owning an aquarium can be a really fun and rewarding experience while providing many wellness benefits such stress relief, sleeping better at night and better productivity at work

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 45 gallon per hour effectively removing fish waste and debris, uses Koller Products S replacement filter cartridges

EASY TO SET UP: This desktop aquarium fits most anywhere and is easily affordable; perfect for keeping bettas and a variety of tropical fish

DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red; includes 5V Power Adapter

COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallon per hour, effectively removing fish waste and debris; uses Koller Products XS replacement filter cartridges, 3 pack AQ05FC-60

Energy-efficient LED lighting with 7 dazzling color choices to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red.

Powerful internal power filter cleans and purifies the aquarium's water at a flow rate of 25 gallons per hour effectively removing organic pollutants, also includes 12 month supply of replaceable Koller Products XS filter cartridges (12 each).

Made of impact-resistant plastic with crystal-clear clarity so good that most think it's made of glass along with one-piece construction providing superior strength and durability; unlike glass tanks glued together with silicone, this stylish shaped Tank puts to rest any worries or concerns about possible leaks.

INCLUDES: 1.5-gallon plastic impact-resistant tank, 7 colors LED light, full hood (keeps pets secure), and illustrated Set Up Guide. Discover Your Perfect Aquarium

DAZZLING COLORS: Energy-efficient LED lighting with 7 color choices to select depending on time of day or to enhance your viewing pleasure; select daylight white, blue, green, amber, aqua, purple, or red

IMPACT-RESISTANT DESIGN: Made of impact-resistant plastic with crystal-clear clarity so good that most think it's made of glass, one piece construction provides superb strength and durability

Energy-efficient LED lighting with 7 dazzling color choices to to enhance your viewing pleasure; choose daylight white, blue, green, amber, aqua, purple, or red

Made of break-resistant plastic with crystal-clear clarity so good that most think it's made of glass along with one-piece construction providing superior strength and durability, unlike glass tanks glued together with silicone, this trendy designed tank puts to rest any worries or concerns about possible leaks

Includes built-in light timer, set your LED light to come on at the same time every day, you can select light settings of 2 Hours, 4 Hours or Continuous On easily with a flick of your finger

Included components: User Set-Up Guide

Age range description: Beginner to Advanced

Energy-efficient LED lighting with 7 dazzling color choices to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red

Powerful internal power filter cleans and purifies aquarium water at a flow rate of 25 gallons per hour, effectively removing organic pollutants and fish waste. Includes premium Koller Products filter cartridge; replacement filter cartridges XS (AQ05FC-30) available on Amazon

Manufactured of impact-resistant plastic with crystal-clear clarity so good that most think it's made of glass, along with one-piece design providing superior strength and durability

Continuous siphon overflow efficiently skims organics and other waste material

Adjustable flow control valve

Firmly secures to the tank wall with 2 suction cups

Fall asleep listening to calming sounds of Ocean Waves, Bubbling Brook, Rain Forest Rainfall, and Thunderstorms; you'll find you will sleep far more soundly

Energy-efficient LED lighting with 7 color selections you can choose depending on your mood or time of day or night; aquarium light can be turned on or off for easy night time operation

Internal power filter keeps aquarium water crystal clear and your fish healthy, with a flow rate of 25 gallons per hour that quickly removes fish waste and other impurities; uses Koller Products XS replacement filter cartridges (AQ05FC-30) available on Amazon

Crystal-clear design makes it look like glass but it is manufactured of break-resistant plastic

One-piece construction providing superior strength and durability, unlike glass tanks glued together with silicone, this stylish shaped tank puts to rest any worries or concerns about possible leaks

Easy to set up and maintain, this trendy fish tank will look good wherever you place it. Dimensions: 9" DIA x 10" H

SMARTPHONE APP FREE - Free iOS and Android Apps, download Smart Tank by Koller Products App to control and monitor your aquarium with your smartphone or tablet anywhere in the contiguous USA.

PEACE OF MIND - Track your aquarium's water temperature and receive notifications if the tank's temperature goes above or below designated temperatures anywhere there is a WiFi connection.

CREATE YOUR OWN LIGHT COLORS - Create your own customized light colors depending on the time of day or viewing pleasure. Schedule your lights to come on and turn off whenever you want.

Algae Scraper Easy Scrape Hand Held

Roller knob allows air to be adjusted in small increments to control the exact amount of airflow

Hangs easily on tank; fits standard airline tubing

Two-way gang valve effectively controls air flow

Pre-filter pad

2 pack

Ideal for filtering out fish waste and debris