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Sintered Ball Airstone

A 50 mm self-weighted sintered ball airstone that passes 2 LPM of air per stone through a 4 mm barb connection. It produces fine to medium bubbles for efficient oxygen transfer in fresh water and salt water. Washable in muriatic acid and reusable, it suits aquariums, tanks, ponds and holding bins.

$10.00 ex GST

SKU: DY105-A

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Sintered Ball Airstone

Product Information

Key Features

  • 50 mm sintered ball diffuser producing fine to medium bubbles for efficient oxygen transfer
  • Self-weighted body stays put on the tank or pond base without extra ballast
  • 4 mm barb connection suits standard airline tubing
  • Suitable for both fresh water and salt water
  • Washable in muriatic acid (HCl) and reusable, so there is no consumable element to replace
  • Sized for aquariums, tanks and ponds, and small enough for transport and holding bins
  • Rated at 2 LPM of air per stone — divide your total blower or pump air flow by 2 LPM to work out how many stones you need (operating pressure is not stated by the supplier, so check the figure against your blower curve)

Specifications

SpecificationDetail
Model / SKUDY105-A
TypeSintered ball airstone
Diameter50 mm
Air flow rate per stone2 LPM
Bubble sizeFine to medium
Connection4 mm barb
MountingSelf-weighted, no separate weight required
Water typesFresh water and salt water
CleaningWashable in muriatic acid (HCl)
Shipping weight0.1 kg
Operating pressureNot stated by supplier; confirm against your blower curve

Frequently Asked Questions

How many airstones do I need?
Divide your total air flow by the 2 LPM each stone passes — a 60 LPM blower, for example, will run about 30 stones.
What air flow does one stone pass?
2 LPM per stone.
What size tubing does it take?
It has a 4 mm barb, so standard 4 mm airline pushes straight on.
Does it need a weight to sink?
No — the body is self-weighted and sits on the base with standard tubing attached.
Can I use it in salt water?
Yes, it is suitable for both fresh water and salt water.
How do I clean it?
Soak and wash it in muriatic acid (HCl) to clear the pores, then rinse thoroughly before returning it to service.
What bubble size does it produce?
Fine to medium bubbles, which give good gas transfer for the air volume used.

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