FAQ Search Results

How do I replace the ballast box on a 110W evoUV?
How to replace the ballast box on a 110W evoUV
What is an evouv quartz sleeve?
It’s a tube that looks like it’s made of glass, which separates the pond water running through the unit, from the bulb. It’s very delicate, like glass, and should be handled with extreme care. Quartz sleeves should be cleaned regularly to ensure that...
Why is there no plug on my evouv?
evoUV adheres to UK pond equipment laws, and requires that it is wired into a safe, compliant, outdoor electrical system, ideally with an RCD cut-off. If you are unsure, consult a qualified electrician.
How do I setup a 110W evoUV using a Flexi Pipe Kit?
How to setup a 110W evoUV using a Flexi Pipe Kit
My green water isn’t clearing. Why?
Check that bulb is connected properly, and that the unit is wired in correctly, and on. UV should be on for 24 hours per day. Consult the recommended flow rates on the packaging. If water flow through the unit is too great, the contact time with the ...
How do I use single unions for pressure pipe on a smaller evoUV?
How to use single unions for pressure pipe on an evoUV
What replacement bulbs should I buy for my evouv?
Evolution Aqua distribute and recommend Osram, a world leader in UVC technology. Obtain these from an authorised Evolution Aqua dealer.
Are evoUVs suitable for saltwater?
Yes, all The evoUV clarifiers are suitable for saltwater, the Aquarium UV Sterilizer is made specifically for marine aquariums and is available in 15 and 25watt versions with additional fittings for connection to typical aquarium circulation...
How do I set-up and install an evoUV?
You can follow the step by step instructions located in the manual below or you can watch our YouTube video here: evoUV ManualWatch how to install an evoUV:
My pond water is not clear, is this due to the evoUV not working correctly?
Koi, goldfish and other pond inhabitants can cause murky water by stirring up the bottom of the pond. This murky water should not be confused with suspended algae. Always check all your pond filtration is working and is being maintained correctly prior...
My UV Bulb is not lit on my evouv, what should I do?
You need to investigate the power to your unit. Has your RCD tripped? If yes, check your wiring and reset. Examine the UV bulb for signs of failure, and replace if necessary. Is the UV bulb fitted correctly? Unscrew the end caps and ensure correct...
My UV was working but my pond has gradually been turning green, why?
Quartz sleeve may have become dirty and requires cleaning. Also make sure you have the right model for your pond size. Ensure your pond filtration is removing fish waste and debris efficiently. Dirt in ponds will affect the efficiency of the evoUV. Check...
My evouv appears to be leaking from the end fittings?
This could possibly be caused by an incorrectly fitted, damaged or overtightened O-Ring on the quartz sleeve. Please check the quartz sleeve O-Ring, reposition it or if necessary replace it with a new one. Follow the steps on page 14 in the manual to...
How can I insulate my unit for the cold weather?
The key thing is to make sure the UV is never turned off. The unit could be wrapped in loft insulation and then a waterproof membrane if you live in a very cold area.
What size evoUV do I need for my pond?
For help choosing the correct UV that is suitable for your pond. Please see the table below.
Which side is the inlet and outlet on my evouv?
The inlet and outlet can be installed either left (Inlet) to right (Outlet) or right (Inlet) to left (Outlet).
What do I need to reduce a 110W evouv from 2" to 1.5"
If you intend to use flexible hose, you would need: 2 x 2-1.5’’ reducing bushes – EA Code: R81-063 2 x 1.5’’ pressure to waste sleeves – EA Code: M35-050 2 x 1.5’’ solvent hosetails – EA Code:HOSETAIL15If you intend to use pressure pipe, you would...
How do I change the T8 Sockets and Black End Caps?
Watch the step by step video below to learn how to change the T8 Sockets and Black End Caps on an evoUV. The Same process would follow for both old and new versions of our evoUV's
How do I change the ballast on a pre-2021 evouv?
To change the ballast on a pre-2021 evouv watch the video below for the step-by-step process.
What is the recommended flow of water for an evoUV 55?
For all evoUV models, the recommended flow rate is based on what allows you to pass the entire volume of your pond through the evoUV once every 2 to 3 hours.
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