Red Sea & D-D Black Friday 2026

Replacement motor for D-D Clarisea 3000 and 5000.

This makes it possible to change and adjust the mounting point of the clean roll, allowing the unit to be installed closer to the side of a cabinet...

This makes it possible to change and adjust the mounting point of the clean roll, allowing the unit to be installed closer to the side of a cabinet...

The AutoAqua smart stir is a small labour saving gadget to help you mix test reagent water which is especially helpful for titration tests.  The au...

Replacement set of hinges for the single door on D-D Reef Pro Aquariums (no screws included)

The AutoAqua smart stir replacement magnetic bean / magnetic pill / magnetic bead. Just in-case you accidentally lost yours or dropped it down the ...

Replacement set of hinges for the B-Fold door on D-D Reef Pro Aquariums (no screws included)Includes:3 x standard hinges2 x bi-fold hinges

Replacement clamps for the DD slimline hydra bracketsPacket of two spare clamps and fixings for the old and new version D-D Slimline Brackets. This...

AutoAqua Titanium S3 TDS MeterTitanium S3 with three probes is designed to monitor the water quality of RO/DI systems. It uses titanium probe, whic...

Titanium S2 with two probes is designed to monitor the water quality of RO/DI systems. It uses titanium probe, which performs excellent corrosion r...

AutoAqua Titanium One TDS MeterTitanium One is the smallest inline TDS meter available on the market. It uses titanium probe, which performs excell...

The FMR75 Fluidised Reactor has been developed by D-D to give the ultimate low cost solution for fluidising a whole range of materials that are use...

The D-D P1 PRO is a single channel intelligent dosing pump with Wi-Fi control. This unit will allow the automated addition of liquid additives and ...

Large media of 9-15mm grain size ideal for calcium reactors. The large grain size it will resist tracking of water through the media, often experie...

Kalkwasser is a solution made by dissolving Calcium Hydroxide in water. The resultant fresh solution is alkaline with a pH of 12.4 and contains a r...

Pack of two fine mesh media bags for the use of carbon and Rowaphos as well as a multitude of other medias.Bag dimensions: 20 x 9cm

Replacement quartz sleeve for the DD 39/80W UV

Replacement quartz sleeve for the DD 20W/48W Uv

Replacement quartz sleeve for the DD 10w UV

Customize your AutoAqua Smart ATO, ATO Micro, or AWC with your own pump. Just insert the male barrel plug into your Smart controllers pump port, pl...

Check out these D-D The Aquarium Solution orange filter glasses, these filter out the blue light whilst looking at your fish tank making your coral...

These are the coloured dosing tubes from DD, perfect for organisation and to keep your set up looking clean and professional.Ideal match up wth the...

X6 Replacement filter fleece for Clarisea Roller SK5000, 40m roll

X6 replacement filter fleece roll for the SK3000 - 40m long.