If your oxygenator isn't working, follow these troubleshooting steps:

1. Basic Checks:
   • Verify the solar panel is receiving sufficient sunlight
   • Clean the panel if it's dirty
   • Ensure all connections are secure
   • Check for obvious blockages in the tubing
2. Clean the Air Stones:
   • Air stones can become blocked with mineral deposits over time
   • Soak them in white wine vinegar for several hours
   • Rinse thoroughly before reinstalling
3. Check the Oxygenator Location:
   • A common issue is overheating when placed on heat-retaining surfaces like:
     • Patio slabs
     • Bricks
     • Concrete
   • If gently tapping the unit makes it start working, this indicates overheating
   • Relocate the unit to a cooler surface, preferably on grass or soil

Most solar oxygenators operate best in direct sunlight. On cloudy days, some models may work at reduced capacity, while others with battery backup may continue to run if the battery is charged.

Regular maintenance is key to keeping your oxygenator running smoothly. Clean the solar panel regularly to remove dirt and debris, inspect the tubing and air stones for blockages, and ensure all connections are secure. Replace tubing or air stones if they become worn over time.

Solar oxygenators may not function well in freezing conditions. It's best to store the oxygenator indoors during winter to prolong its lifespan. If you continue to use it, ensure the device is not exposed to freezing temperatures or water flooding from heavy rain or snowmelt.

1. Do not place the oxygenator body in the water.
   The oxygenator body is not designed to be submerged in water. Only the tubing and air stones should be placed in the pond. The oxygenator body must remain dry and above ground.
2. Avoid placing the oxygenator body on hot surfaces.
   In summer, surfaces like bricks, concrete, or patio slabs can become extremely hot, which can harm the oxygenator. Instead, place the body on softer ground, such as soil or grass, preferably under some foliage or shade for added protection from heat.
3. Do not cover the oxygenator body.
   Many customers make the mistake of placing the oxygenator in a small house, Tupperware dish, or ice cream container. This is strongly discouraged. The oxygenator is completely weatherproof and does not require additional coverings. Covering it can trap heat and reduce airflow, leading to overheating or malfunction.
4. Keep the oxygenator body on its feet.
   Most oxygenator bodies come with small circular pads that indicate the bottom of the device. Place these pads directly on soft soil or a stable surface to ensure stability and proper airflow.
5. Locate the oxygenator body in a flood-free area.
   Make sure the oxygenator body is situated in a spot that won't flood in heavy rain or winter storms. While the oxygenator is weatherproof, it should not be submerged in water.
6. Take advantage of the tubing length.
   Most oxygenators come with a couple of meters of tubing, allowing you to place the oxygenator body away from the pond itself. Extend the tubing if necessary (Powerbee sells 4mm tubing at an affordable price) to position the air stones exactly where they are needed in the pond.

Yes, you can extend both the tubing and the cables for added flexibility:

• Tubing Extension: Use 4mm tubing to extend the air stones further into the pond. This tubing is widely available and affordable (Powerbee sells it on their website).
• Cable Extension: Powerbee also offers extension cables for the solar panel and battery. However, we do not recommend using too many extensions as this may cause a voltage drop, reducing the efficiency of the solar oxygenator.

A well-maintained solar oxygenator typically lasts 2-3 years, though this can vary based on several factors:

• Usage Conditions: Oxygenators kept in optimal conditions (moderate temperatures, proper placement) tend to last longer.
• Maintenance: Regular cleaning of air stones and solar panels can significantly extend lifespan.
• Quality: Higher quality units with better components generally last longer.
• Weather Exposure: Units exposed to extreme weather conditions may have shortened lifespans.

To maximize lifespan, ensure regular maintenance and proper placement away from extreme conditions.

Choosing the right size oxygenator depends on several factors:

• Pond Volume: As a general rule, you need about 0.5-1 watt of oxygenator power per 1000 liters of water.
• Fish Stock: Heavily stocked ponds need more oxygenation (add 25% more capacity for koi ponds).
• Plant Life: Dense plant life may require additional oxygenation, especially at night.
• Depth: Deeper ponds (over 4 feet) benefit from stronger units to ensure oxygen reaches lower levels.

For example, a 2000-liter pond with moderate fish stock would need at least a 1-2 watt oxygenator.

Unusual noises from your oxygenator can indicate several issues:

• Blocked Air Stones: Mineral deposits or algae can cause irregular air flow and buzzing sounds. Clean or replace affected air stones.
• Damaged Diaphragm: A worn or damaged diaphragm can cause rattling. This usually requires replacement.
• Loose Connections: Check and tighten all tubing connections where air might be escaping.
• Debris in Pump: Small particles can enter the pump, causing noise. Regular maintenance helps prevent this.

If noise persists after checking these common causes, contact your supplier for support.

Yes, you can run multiple air stones from one oxygenator, but consider these important factors:

• Power Output: Each additional air stone reduces the air flow to other stones. Check your unit's capacity.
• Maximum Stones: Most domestic units can effectively run 2-3 air stones.
• Equal Distribution: Use a proper air manifold to ensure even air distribution.
• Tubing Length: Keep tubing lengths similar for balanced air flow to each stone.

Note: Adding too many air stones will significantly reduce the effectiveness of each one. It's better to have fewer stones working efficiently than many working poorly.

There are several indicators of good oxygenation in your pond:

• Fish Behavior:
  • Fish not gasping at the surface
  • Active swimming throughout the pond
  • Normal feeding behavior
• Water Quality:
  • Clear, not cloudy water
  • Minimal algae growth
  • No foul odors
• Air Stone Performance:
  • Consistent bubble stream
  • Even distribution across the stone
  • Visible surface movement

If you notice fish gasping at the surface, especially in early morning, this may indicate insufficient oxygen levels.