SHIRUBA Diaphragm of K-8000 (2pcs/pack)

The SHIRUBA Diaphragm of K-8000 (2pcs/pack) provides aeration for your aquarium.

Key Features

• Increases dissolved oxygen levels for healthier fish
• Quiet operation for home and office aquariums
• Suitable for freshwater and marine setups

Replacement diaphragm for the SHIRUBA K-8000 air pump

The diaphragm is the working heart of any membrane air pump, and over months of continuous running it hardens, stretches or splits, which is usually why an older K-8000 grows louder or weaker. This two-piece pack lets you refresh the pump instead of replacing the whole unit, restoring proper output without buying new. Keeping a spare set on the shelf means a tired pump need never leave a tank under-aerated for long.

In Singapore’s warm 27-29C water, dissolved oxygen sits lower than in cooler climates, so steady aeration genuinely matters, especially in densely stocked or shrimp tanks. Diaphragms are wear parts and our humidity does them no favours, so we treat them as routine maintenance rather than a fault. Unplug the pump, let it cool, and follow the unit’s layout when swapping; take care to seat the new diaphragm flat so it doesn’t tear early.

Browse our full air systems range, and see our air pump guide and pump noise reduction guide for keeping aeration quiet and reliable.