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Free standard shipping on orders over $99
Terms and Conditions Apply!
We can ship to any address in Australia and New Zealand. Note that there are restrictions on some products, and some products cannot be shipped to some locations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kilo.
The Dymax CO2 Professional Regulator RX-123 is a high-precision regulator designed to provide stable and accurate CO2 output for planted aquariums. Built with durable materials and fine engineering, it ensures consistent CO2 supply to promote healthy plant growth, prevent algae issues, and maintain optimal aquarium conditions. Suitable for both beginners and advanced aquascapers, this regulator offers reliability and ease of use in professional aquarium setups.
Precision CO2 Control – Ensures consistent and stable CO2 output for optimal plant growth.
Durable Construction – Made from high-quality, corrosion-resistant materials for long-term performance.
Fine Adjustment Needle Valve – Allows precise regulation of CO2 flow.
Dual Gauge Design – Monitors both cylinder pressure and output pressure at a glance.
Safe & Reliable – Equipped with a safety valve to prevent over-pressurization.
Universal Compatibility – Fits standard CO2 cylinders and works seamlessly with bubble counters and diffusers.
Secure the regulator onto a compatible CO2 cylinder.
Connect CO2 tubing to the output valve and attach it to a bubble counter or diffuser.
Slowly open the cylinder valve and adjust the needle valve for the desired CO2 flow rate.
Monitor cylinder and output pressures using the dual gauges.
Regularly check for leaks and ensure tubing is tightly secured.
Ideal for planted aquariums requiring precise and stable CO2 supply.
Combine with a CO2 bubble counter and drop checker for accurate monitoring.
Use high-quality CO2-resistant tubing for best performance.
Perfect for both single-tank setups and multi-outlet systems when used with a splitter.
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