Aquarium Filter Accessories

Genuine replacement rubber seal for SunSun HW series external filters.

Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size before purchase.

NOTE: Please be wary of other sellers claiming replacement parts are genuine that are being sold on large market platforms. Most are cheap replicas that can damage your filter leading to leaks or aquarium issues. All our branded parts are from the manufacturer directly.

Replacement/spare grey head clips for the Sun Sun HW series external filters as well as similar external aquarium canister filter lines. Each set includes Two (2) heads and two (2) filter case clips.

Please email us if you are looking to use these replacement external filter clips on a similar model to confirm the size before purchase.

Genuine SUNSUN HW series external canister filter replacement control valve.

If the replacement control valve you are looking for is not available for purchase please drop us a message, not all replacement parts are listed on the website.

Please be wary of sellers claiming parts are genuine being sold on large market platforms. They are cheap replicas that can damage your filter leading to leaks or aquarium problems.

Genuine SUNSUN HW series external canister filter replacement tap valve.

If the replacement tap valve you are looking for is not available for purchase please drop us a message, not all replacement parts are listed on the website.

Please be wary of sellers claiming parts are genuine being sold on large market platforms. They are cheap replicas that can damage your filter leading to leaks or aquarium issues.

The suction cup and magnetic attachment are appropriate for use with the majority of aquarium wavemakers as a spare or replacement. The secure connection of a wavemaker aquarium pump to the inside glass of your aquarium is made possible with this high-quality plastic connector.  

Designed and made by ourselves these shelves are great for keeping aquarium pumps off the aquarium floor. They are also useful in aquascaping to provide a solid foundation for aquarium rocks when wanting to create multiple layers to an aquascape design.

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 also help prevent any fry or fish from getting caught by the aquarium pump when they have accidentally ended up in the sump.

Genuine replacement cover for SunSun JTP aquarium pumps.

Please email us if you wish to use the replacement covers on a similar model to confirm the size before purchase.

NOTE: Please be wary of other sellers claiming replacement parts are genuine that are being sold on large market platforms. Most are cheap replicas that can damage your filter leading to leaks or aquarium issues. All our branded parts are from the manufacturer directly.

Replacement UV light sleeve for SunSun HW external filter range. The sleeves will fit similar external filter models.

If you can not find the replacement sleeve for your filter model please drop us an email. We carry SunSun full range of replacement parts.

Universal replacement aquarium digital thermometer probe accurate within ±0.75%. Our probes are waterproof with 2 meters of cable. Our probes are suitable for freshwater and saltwater aquariums.

If there is a specific model you require please drop us a message.

Genuine SUNSUN HQB series external canister filter replacement impellers. The impellers come with an axis and bearings.

If the replacement impeller you are looking for is not available for purchase please drop us a message, not all replacement parts are listed on the website.

This practical little device tops off your aquarium water as it lowers, simply add an old bottle filled with premade water and you have an ATO without emptying your wallet. At Castle Dawn Aquatics we use this little device on our fry tanks to avoid changes in water parameters due to evaporation which can be fatal to fry.