Top Selling Products

DIY Natural Champagne Cork Bark - Castle Dawn Aquatics

DIY Natural Champagne Cork Bark

$12.99$32.99
Our cork bark panels are a natural addition to any bioactive terrarium, offering excellent hiding spots for small critters. With its anti-fungal properties, the cork bark is resistant to rapid...
Submersible Pump Pre-Filter Safety Box Stand - Castle Dawn Aquatics

Submersible Pump Pre-Filter Safety Box Stand

$14.99$16.99
Our prefilter boxes are great for keeping pumps off the aquarium floor and preventing debris from getting trapped in the pump causing damage or jamming the impeller. The box can...
4 Piece Set of Mini Wood Ornaments - Castle Dawn Aquatics

4 Piece Set of Mini Wood Ornaments

$21.16
Our set of 4 super cute mini aquarium wood hideaways is perfect for shrimp or small bottom dwellers like dwarf Corydoras. They are a hassle-free approach to keeping wood in the...
Japanese Shrimp Shelter Spawning Ornament Set - Castle Dawn Aquatics

Japanese Shrimp Shelter Spawning Ornament Set

$18.38$20.38
These little ornaments need no introduction, if you have social media I am sure at some point you have seen them being used in a shrimp aquarium. These little ornaments...
Extra-Large Double Bio Sponge Filter - Castle Dawn Aquatics

Extra-Large Double Bio Sponge Filter

$31.38
The extra-large double sponge filter is perfect for aquariums up to 70 gallons, providing efficient mechanical and biological filtration. Its unique design fits seamlessly against aquarium walls. Ideal for larger...
Air Driven DIY Biochemical Bottom Filtration Filter - Castle Dawn Aquatics

Air Driven DIY Biochemical Bottom Filtration Filter

$18.38$24.38
This versatile aquarium filter offers both biomechanical and fluidized filtration, making it a powerful choice for a wide range of setups. By adding sponges and filter media to the barrel,...
Double Barrel Black Layered Bio Sponge Filter For Up To 50 Gallons - Castle Dawn AquaticsAquarium Fish Tank Filter And Pumps

Double Barrel Black Layered Bio Sponge Filter For Up To 35 Litres

$9.29$9.38
The double 9-layer sponge filter provides both mechanical and biological filtration, making it an ideal solution for maintaining a healthy aquarium. Perfect for breeding tanks or shrimp aquariums, this filter...
CDA Full Spectrum COB 7W LED Bamboo Board Nano Aquarium Light - Castle Dawn AquaticsLighting

CDA COB 7W LED Bamboo Board Nano Aquarium Light

$42.14
The light uses COB chips which produces a stronger and wider distribution of light than the standard SMD LED, while still using fewer lumens per watt. With four brightness options,...
CDA Full Spectrum COB 7W LED Clip On Dimmable Aquarium Light - Castle Dawn AquaticsLighting

CDA COB 7W LED Clip On Dimmable Aquarium Light

$23.14
The light uses COB chips which produces a stronger and wider distribution of light than the standard SMD LED, while still using fewer lumens per watt. With four brightness options...
Castle Dawn Aquatics Macroalgae Refugium COB LED 10W Nano Aquarium Light - Castle Dawn AquaticsLighting

Castle Dawn Aquatics Macroalgae Refugium COB LED 10W Nano Aquarium Light

$56.14
 A favourite among our saltwater customers, this powerful little light is perfect for a refugium, with a short and bendable neck it can fit into the tightest of sumps. The...
Reverse Osmosis System Quick Connect Ultra Aquarium Water TDS0 Cartridge (For Standard System) - Castle Dawn AquaticsAquarium Aquatic Reverse Osmosis

RO Filter Cartridge for Aquariums – Ultra-Pure TDS 0 Water (For Standard System)

$38.97
Our best-selling RO filter cartridge is specially designed for aquarium use, removing harmful substances like copper, phosphates, ammonia, nitrates, and chlorine. It reduces GH and KH to zero, giving you...
Double 7-layer Bio Sponge Filter for up to 50 Litres - Castle Dawn Aquatics

Double 7-layer Bio Sponge Filter for up to 50 Litres

$12.38$15.38
QS100A Filter comes with media and two replacement sponges.QS-100 Filter comes with two replacement sponges. The double 7-layer sponge filter provides both mechanical and biological filtration, making it an ideal...