As used in the Colombo CO2 Advance Set, the CO2 Advance Pressure Regulator delivers precise CO2 control for planted aquariums using 95g CO2 cylinders with a 5/8" UNF connection. The integrated intermediate chamber ensures consistent CO2 release, eliminating fluctuations that compromise plant growth and water chemistry stability. Designed by Colombo for straightforward installation without requiring specialist tools or adjustments.

The Advance Pressure Regulator can be upgraded via the optional Colombo CO2 Adaptor Ring (available separately) enabling M10 connection compatibility with the Colombo 800g and 1200g Disposable CO2 Cylinders - a practical upgrade path, protecting your investment as your aquarium evolves. Ideal for aquarists seeking reliable, scalable CO2 regulation.

Cut Off Time
Order by 2pm Monday to Friday for same day dispatch (Excluding Bank Holidays).

Direct/Palletised Delivery items may take longer.

Orders Under £49
Standard Delivery (2-3 working days) - £3.99
Express Delivery (1-2 working days) - £5.99

Orders Over £49
Standard Delivery (2-3 working days) - FREE!
Express Delivery (1-2 working days) - £2.99

Timeframes are for standard mainland UK addresses only excluding NI, Scottish Highlands & Islands.

Palletised Deliveries
Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet and as such will arrive as a kerbside delivery only. The drivers in these instances are unfortunately not permitted to assist with the pallet beyond the drop off, and cannot aid in bringing packages into the property.

Pond Planet will contact you to book in delivery on a suitable working day. Delivery will generally take place between 9am and 5pm. To ensure there are no delays with delivery, please include a contact number when placing the order.

Pond Plant Deliveries & Surcharge
Pond plants are subject to a £5.99 delivery surcharge. Pond plants are sent directly from our supplier to make sure the plants you receive are fresh and in great condition. There is no limit on how many you can order for a single delivery charge. This charge is in addition to any other carriage costs for items sent directly from Pond Planet. Please allow 5 -10 working days for delivery.

Returns
If for any reason you are not satisfied with your purchase from Pond Planet, you may return the product(s) to us within 14 days of the purchase date for a refund or exchange.

Goods must be returned in perfect and unused condition, in their original packaging. The buyer must ensure that the goods are securely and adequately packed to avoid damage and the purchaser pays all postage costs. We recommend that products are returned by recorded delivery or by a carrier that requires a signature. Pond Planet accepts no responsibility for goods returned to us unless signed proof can be provided.