Filtreau Excellent Combi Drum 80/100 XXL Trickle Add On
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The Filtreau Excellent Combi Drum 80/100 XXL Trickle is a high capacity Bakki shower style add on designed exclusively for the 80/100 XXL Combi drum filter. It enhances oxygenation and biological efficiency in large koi ponds while supporting heavy stocking levels and high feeding regimes.
£2,399.99 (inc VAT)
Filtreau Excellent Combi Drum 80/100 XXL Trickle Add On
High Performance Trickle Shower or Bakki Shower Module for the 80/100 XXL Combi System
The Filtreau Excellent Combi Drum 80/100 XXL Trickle is a high capacity biological shower add on designed exclusively for the Filtreau Excellent Combi Drum 80/100 XXL base system. It does not operate as a standalone filter. Instead, it integrates directly with the 80/100 XXL Combi unit to increase oxygenation and biological efficiency.
Often referred to as a Bakki shower, this style of filtration allows water to cascade over specialised media trays. As the water moves downward, it absorbs oxygen and releases unwanted gases. Consequently, biological bacteria operate in a highly efficient environment.
This module is available in two versions. The standard chassis version carries part number FS883. The inline chassis version carries part number FS886. Therefore, you must match the correct version to your existing 80/100 XXL configuration.
High Oxygen Biological Performance
After mechanical separation inside the 80/100 XXL drum stage, water flows upward into the trickle section. From there, it spreads evenly across the shower trays. As it cascades downward, it makes continuous contact with air.
Because of this constant exposure, dissolved oxygen levels increase significantly. In turn, nitrifying bacteria convert ammonia and nitrite more efficiently. As a result, water parameters remain more stable under heavy feeding regimes.
Unlike submerged biological chambers, a trickle or Bakki shower continuously refreshes oxygen supply. Consequently, bacteria remain highly active and resilient. This makes the system particularly effective for heavily stocked koi ponds.
For maximum performance, we recommend high quality Far Infrared shower media. This media promotes rapid bacterial colonisation. In addition, it improves gas exchange and enhances overall water clarity.
Designed for High Load Large Scale Installations
The 80/100 XXL Combi base system supports flow rates of up to approximately 100000 litres per hour. Therefore, this trickle add on suits large koi ponds typically between 120000 and 150000 litres, depending on stocking levels.
Because the module strengthens biological processing rather than mechanical separation, it is especially valuable where:
- Stocking density is high
- Feeding intensity is significant
- Long term stability is essential
- Oxygen levels must remain elevated
For estate level systems and commercial koi facilities, this upgrade provides measurable performance improvement.
Key Features
- Designed exclusively for the 80/100 XXL Combi system
- Not a standalone filtration unit
- Available in standard and inline versions
- High performance trickle shower or Bakki shower design
- Significantly increases dissolved oxygen levels
- Enhances nitrification efficiency
- Ideal for heavily stocked koi ponds
- Suitable for high flow systems up to approx 100000 litres per hour
- Compatible with Far Infrared shower media
- Durable stainless steel construction
- Professional grade upgrade module
Technical Specifications
- Product Type: Trickle shower biological add on
- Compatible Base System: Filtreau Excellent Combi Drum 80/100 XXL
- Standard Version SKU: FS883
- Inline Version SKU: FS886
- Trickle Dimensions: approx 1700mm L x 320mm W x 805mm H
- Maximum System Flow Rate: approx 100m³ per hour
- Drum Screen on Base Unit: 120 micron stainless steel
- UV Units on Base Unit: 2 x 80W High Output immersion
- Base Biological Capacity: approx 350 to 400 litres
- Installation Type: Add on module only
- Manufacturer code: WMC24CDT
Important
This product must be used in conjunction with the Filtreau Excellent Combi Drum 80/100 XXL base filter. It cannot operate independently.
If you are unsure which version suits your installation, contact us before ordering and we will advise on compatibility.
Helpful Filtreau links and compatible products
Use these links to plan the rest of the pond filtration system around your Filtreau product. The right pump, pipework, air supply, UV spares and filter media will make the installation easier to set up, maintain and service.



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