Seachem Glass Bubble Counter Pollen Style

• Monitor rate of CO₂ injection.
• Minimizes the visibility of CO₂ equipment in the aquarium.
• Suitable for all aquarium sizes.
• Simple and easy to use.

The Bubble Counter is a simple and elegant tool for monitoring the rate of CO₂ injection in planted aquaria. This bubble counter is placed in the CO₂ gas line, which minimizes visibility of CO₂ equipment in the aquascape while still allowing the hobbyist to easily check CO₂ output at any time.

Compatible with 6 mm (1/4″) – Standard Airline Tubing.

Setup & Use

Mount it upright on the outside of the tank with the supplied suction cups, then connect 6 mm (¼ in) standard airline. Wet the inside of the tubing before sliding it onto the glass fittings.

Fit a check valve in the line outside the tank — it is sold separately and it is not optional. Without one, tank water can siphon back into the regulator when the CO₂ shuts off.

Turn the gas on and set a rate. One to two bubbles a second is the usual starting point; adjust from there against the CO₂ level in the tank rather than against the bubble count alone.

It is glass and it is fragile. When you take tubing off, cut it rather than pulling it.

What’s in the Box

The glass bubble counter and its suction cups. A check valve and airline tubing are not included.

Returns & Replacement

Returns are accepted within 7 days of delivery, provided the item is unused and in its original packaging. Manufacturer-sealed items cannot be returned once the seal is broken, and sale-priced items are not refundable.

If your item arrives defective or damaged, message us on WhatsApp with your order number, or email us if you would rather, and we will replace it. Approved replacements are delivered within 3 to 5 business days. Transit damage is covered by insurance on every shipment. If tracking shows delivered but nothing reached you, tell us within 72 hours, which is the reporting window Indian couriers allow. Damage caused during installation or use is not covered; replacement spares for such cases are chargeable.

Full terms are on our Cancellation & Returns page.