A simple acid bath clears calcium build-up or bacterial growth and restores the original bubble pattern.

Sweetwater Air Diffusers

Divide the total air flow your system needs by the per-diffuser rate — 5 LPM for AS3, 10 LPM for AS8L, 14 LPM for AS15S or 28 LPM for AS30S.

AS3 takes 5 LPM, AS8L 10 LPM, AS15S 14 LPM and AS30S 28 LPM.

Each diffuser is machined from a solid block of glass-bonded silica.

No — dust and particles up to 30 microns pass straight through, so an air filter is not required.

Yes — air resistance is under 0.25 psi, which suits economical low-pressure blowers.

All four stocked models use a 1/4″ (6 mm) hose barb.

Bonded silica air diffusers for even medium-to-fine bubble aeration in tanks and ponds.

Price range: $8.00 through $50.00 ex GST

Model

Clear

Categories: Aeration, Airstones / Diffusers

Applications: Hatchery, Live Holding & Purging, Pond, RAS

Brand: Pentair

Product Information

Machined from a solid block of glass-bonded silica for a consistent medium-to-fine bubble
Passes dust and particles up to 30 microns, so no costly air filter is needed
Low air resistance — under 0.25 psi — so economical low-pressure blowers will run them
Four stocked models from 5 to 28 LPM, all with a 1/4″ (6 mm) hose barb
Self-weighting with typical tubing lengths — no anchoring required
Clog resistant; a simple acid bath clears calcium build-up or bacterial growth and restores performance
Withstands high water temperatures, though water above pH 9.0 shortens diffuser life
Sizing — divide your total required air flow in LPM by the per-diffuser flow rate in the table below to get the number of diffusers.

Model	Air flow	Size (length × Ø)	Gas connection
AS3	5 LPM	5 cm × 2.5 cm	1/4″ (6 mm) hose barb
AS8L	10 LPM	8 cm × 4 cm	1/4″ (6 mm) hose barb
AS15S	14 LPM	15 cm × 4 cm	1/4″ (6 mm) hose barb
AS30S	28 LPM	30 cm × 4 cm	1/4″ (6 mm) hose barb

How do I choose the right size diffuser?

How much air does each diffuser take?

What are they made from?

Do I need an air filter?

Will they run on a low-pressure blower?

How do I clean them?

What size connection do they use?

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