OASE OxyTex 400 CWS | Bio Surface Aerator & Pond Diffuser

£125.99

The OASE OxyTex 400 CWS is a combined aeration and biological filtration surface element designed to improve oxygen levels and enhance bio-filtration performance in koi ponds.

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Description

Combines aeration and biological filt

The OASE OxyTex 400 CWS is a unique pond aeration and biological filtration system that combines oxygen diffusion with active bio-surface media.

Unlike standard air stones or diffusers, the OxyTex works as both an aeration device and a colonisation surface for beneficial bacteria, helping to improve water quality while simultaneously increasing oxygen levels.

Air is delivered through the unit, producing fine bubbles that enhance circulation and oxygen transfer. At the same time, the fibrous structure provides a large surface area for nitrifying bacteria to grow, improving ammonia and nitrite breakdown.

This makes it ideal for koi ponds, heavily stocked systems and ponds requiring enhanced biological filtration support alongside aeration.


Key Features

  • Combined aeration and bio-filtration system
  • High oxygen transfer efficiency
  • Large surface area for beneficial bacteria
  • Improves ammonia and nitrite breakdown
  • Enhances water circulation
  • Ideal for koi and garden ponds
  • Works with pond air pumps
  • Durable OASE construction
  • Continuous operation capable
  • Supports stable pond ecology

Technical Specifications

Feature Specification
Product Type Aeration & Bio Surface Filter
Model OxyTex 400 CWS
Application Pond aeration + biological filtration
Compatibility Pond air pumps
Installation Submerged / weighted placement

Performance Overview

Aspect Rating
Oxygen Transfer High
Biological Filtration Very High
Water Circulation High
Durability High
Maintenance Low

Applications

  • Koi ponds
  • Garden ponds
  • High stock ponds
  • Filtration support systems
  • Moving bed hybrid systems
  • Biological filtration enhancement
  • Oxygenation systems

Installation

  • Connect airline to OxyTex unit
  • Attach to compatible air pump
  • Place in pond at desired location
  • Ensure stable submerged positioning
  • Run continuously for best results

Maintenance

  • Rinse periodically to remove debris
  • Avoid harsh cleaning of bio-media
  • Inspect airflow and tubing
  • Check for clogging over time
  • Maintain continuous operation

Range Positioning

Product Type Purpose
OxyTex 400 CWS Aeration + biological filtration hybrid
Air Stones Oxygen diffusion only
Aeration Rings Wide oxygen distribution
Moving Bed Filters Dedicated biological filtration

Key Benefits

  • Combines aeration and filtration in one unit
  • Improves water clarity and stability
  • Supports beneficial bacteria growth
  • Reduces ammonia and nitrite levels
  • Enhances oxygen distribution
  • Ideal for heavily stocked ponds
  • Durable long-term design
  • Low maintenance system support

ration for improved pond health.

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