Seachem Pollen Style CO2 Spiral Bubble Counting Diffuser Clear 30 mm

Seachem Pollen Style CO2 Spiral Bubble Counting Diffuser Clear 30 mm

Marsoni

M251S

$22.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Seachem Pollen Style CO2 Spiral Bubble Counting Diffuser Clear 30 mmThe Spiral Bubble Counting Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the planted aquarium. The built in spiral bubble counter allows for easy monitoring of the rate of CO2 injection. The inclusion of a bubble counter in the diffuser makes the use of a bubble counter on the CO2 tank or in line unnecessary. The Spiral Bubble Counting Diffuser has a 30 mm disc.

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Don't let my 4-star review dissuade you, as I've had to reassess prior products that initially I thought were great but then failed me in the long term. These are definitely full and plush, you might want to avoid if you prefer slightly thinner support, especially if you are a side sleeper. But so far I find them comfortable and meeting all of my expectations.

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Reviewed in the United States on February 28, 2026