Aquatic Aquarium Plant Care CO2 equipment

External CO2 Atomiser with Locking Bolt Seal – Ultra-Fine Ceramic Diffuser

The Castle Dawn Aquatics External CO2 Atomiser delivers a powerful and secure method of diffusing CO...

CO2 Splitter – 6-Way Needle Valve with FREE Extension Rod

The Castle Dawn Aquatics 6‑Way CO2 Splitter allows you to distribute CO2 from a single canister to u...

CO2 Regulator PRO Extension – Dual Manifold Block Add-On

Upgrade your CO2 Regulator with this manifold block extension, allowing you to run a second bubble c...

Castle Dawn Aquatics Breath Of The Wild Aquatic Plant CO2 Tablets

Weight: 100 Grams (100 Tabs). 1 Tab per 20 liters of water, twice a week for a heavily planted ...

Glass CO2 Drop Checker with 4dkh/PH Solution

The Castle Dawn Aquatics CO2 Drop Checker is an essential tool when injecting CO2 into your aquarium...

CO2 Regulator Dual Output – Two Bubble Counters & Gauge

This premium dual-output aquarium CO2 regulator is perfect for aquarists running two tanks from a si...

CO2 Splitter – 4-Way Needle Valve with FREE Extension Rod

Easily distribute CO2 from one cylinder to up to four aquariums using the Castle Dawn Aquatics 4‑Way...

Castle Dawn Aquatics CULTIVATOR Aquarium Time Release Fertilization Root Tabs

Size: 40 Tabs Slow-release over a period of 4-6 months. Promotes strong root development for lu...

Aquarium Small Alloy Multicolour CO2 Ceramic Disk Diffuser

At 6cm the CO2 diffuser is perfect for nano aquariums. The diffuser is made from high grade steel al...

CO2 Bubble Counter – Single Non-Return Valve

Ensure precise CO2 monitoring in your planted aquarium with the Castle Dawn Aquatics Single Head CO2...

CO2 Splitter – 3-Way Needle Valve with FREE Extension Rod

Easily distribute CO2 from one cylinder to up to three aquariums using the Castle Dawn Aquatics 3‑Wa...

Aquarium CO2 Regulator with Double Gauge & Bubble Counter – W21.8 Valve

Keep your planted aquarium running efficiently with the Castle Dawn Aquatics Double-Meter CO2 Regula...

CO2 Solenoid Valve – Inline Magnetic Regulator

This compact and reliable CO2 solenoid valve is designed to provide safe, energy-efficient control o...

CO2 Splitter – 2-Way Needle Valve with FREE Extension Rod

Easily distribute CO2 from one cylinder to up to two aquariums using the Castle Dawn Aquatics 2‑Way ...

Inline CO2 Diffuser with Nano Mist Membrane, Bubble Counter & Check Valve –

The Castle Dawn Aquatics Inline CO2 Diffuser offers a professional-grade solution for optimising CO₂...