Momotaro Bacteria House Media (10 kg Box)

Genuine Momotaro Bacteria House ceramic media from Japan

Bacteria House is the ceramic bio-media developed at Momotaro Koi Farm in Niigata and used in the original Bakki Shower. Each stick is a ceramic blend fired at roughly 1,300 °C for about 60 hours, which leaves a very porous body with a huge surface area for nitrifying bacteria to colonize.

Why koi keepers use it

• Heavy biological capacity: the porous ceramic gives bacteria far more surface area than smooth plastic media.
• Fast recovery: colonies re-establish quickly after power interruptions or pond treatments.
• Traps fine solids: fine particles tend to settle onto the rough surface, helping water clarity.
• Doesn't break down: fired ceramic holds its shape for years with proper care.

How to use it

• Best in a Bakki Shower or trickle tower where water showers over the media.
• Also works submerged in a filter chamber, as long as the chamber is well aerated.
• Can be used on its own or alongside your existing media.

Specs

• Weight: 10 kg (22 lbs) per box
• Approx. 8–10 sticks per box, each about 3" diameter × 15" long
• Sticks can be broken or cut into smaller pieces to fit your filter

Note: this ceramic is brittle. Some sticks may arrive chipped or broken in transit — this does not affect performance, since the media is often broken up for use anyway.

Ask us about pallet pricing for large filter builds.