Evolution Aqua evo25S Aquarium UV Steriliser - 25w

The Evolution Aqua evo25 professional 25 Watt ultraviolet aquarium steriliser is designed for aqua...

Best current price£133.95from eBay

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eBayEvolution Aqua evo25S Aquarium Fish Tank UV Steriliser
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www.pond-planet.co.ukEvolution Aqua Light Evo25s Aquarium Uv Steriliser
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OnBuy.comEvolution Aqua Evouv Aquarium Fish Tank Uv Steriliser (Evo25s - 25W)
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Product Information

Full details

The Evolution Aqua evo25S is an ideal solution for hobbyists maintaining aquariums up to 600 Litres who need to combat persistent green water and harmful pathogens. By utilizing advanced 25-watt ultraviolet technology, this sterilizer ensures crystal-clear water and a healthier environment for fish and corals. While highly effective at pathogen control, users should note that consistent maintenance of the quartz sleeve is required to maintain peak performance over time.

All features

BrandEvolution Aqua

Extended Product Information

FAQs

Does this unit kill beneficial bacteria?

No, the UV sterilizer only targets free-floating algae and pathogens. Beneficial bacteria that live in your filter media and substrate remain unaffected.

Can I use this for a saltwater tank?

Yes, the evo25S is suitable for both freshwater and saltwater aquarium systems.

How often should I replace the lamp?

The lamp should be replaced every 12 months to ensure it continues to emit the necessary UV-C radiation.

Is the unit submersible?

No, the evo25S is designed for external use only, typically installed on the output of your filter.

Will this remove discoloration from driftwood?

While it excels at clearing algae, it may have limited impact on tannins released by driftwood; chemical filtration like carbon is better suited for that.

Troubleshooting

Water is still green after two weeks

Check your flow rate to ensure it is not exceeding 2000 L/h and verify that the quartz sleeve is clean.

UV lamp is not lighting up

Ensure the power cable is securely connected to the ballast and check if the bulb is seated correctly in the socket.

Leakage at connection points

Verify that all O-rings are seated properly and tighten the hose couplings securely.

Pros and Cons

Pros

  • Significantly reduces green water appearance
  • Protects aquatic life by eliminating free-floating pathogens
  • Energy-efficient ballast operation
  • Easy to mount in various orientations
  • Compatible with both sump and canister filter systems

Cons

  • Requires periodic manual cleaning of the quartz sleeve
  • UV lamp must be replaced annually for maximum efficacy
  • Not suitable for aquariums exceeding 600 Litres
  • Proper flow control is required to prevent bypass

Setup, Compatibility & Care

To install, secure the universal mounting plates to your cabinet wall or sump frame and clip the unit into place. Connect your inlet and outlet lines using the appropriate hose tails for your pipe size. When performing maintenance, always unplug the ballast from the power source first. Every three to six months, remove the quartz sleeve and wipe it down with a soft, vinegar-dampened cloth to remove calcium deposits. Replace the 25-watt UV lamp every 12 months, as the bulb will lose its germicidal effectiveness even if it still emits visible light.

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