Pond FAQs
A fault code is displayed on the Varipump controller
The controller can display a fault code if the pump develops a problem. Download the fault code troubleshooting guide at the bottom of this page to identify the issue.
If your Varipump was manufactured before 2021, the fault codes are:...
Do I need a high pressure circulation pump for my K+ Advanced Filter?
No, one of the great advantages of the K+Advanced Filters is they produce very little back pressure, so you can use a lower wattage pump saving you money!
How do I replace the waste ball valve on my EazyPod
If you have one of the Mk1 EazyPods with a ball valve, you will need to buy a Single Union Ball Valve and a ...
How do I change the electromagnet on an Airpump?
To change the electromagnet on your airpump, follow the steps below or watch our YouTube video here:
How do I work out how much media I will need for my aquarium?
In a moving bed chamber - You would want no more than 25% of the chamber to be filled with K1 as this allows enough water to help it to be fluidised properly.
My K1 Micro stays on the surface of the water in my Eazypod and will not sink
The K1 Micro when brand new is buoyant and will want to float on the surface of the water. This is perfectly normal. As soon as fish have been added to the pond it takes the K1 Micro approximately 24 to 48 hours to absorb the water and become semibuoyant...
How do I clean my Tempest filter?
Follow the steps below to clean the Tempest filter:
STEP 1: Switch pump off.
STEP 2: Close all slide valves on inlet and outlet.
STEP 3: Open the tap(s) on the waste valve...
STEP 2: Close all slide valves on inlet and outlet.
STEP 3: Open the tap(s) on the waste valve...
How do I clean the filter on my airpump?
To clean the filter on your airpump, follow the steps below or watch our YouTube video here:
Step 1: Loosen the screw on top.
Step 2: Remove the plastic filter cover.
Step 3: Take the filter out and clean it with clean water and dry it.
Step 4: ...
What size pump do I need for my Nexus?
Maximum recommended flow on the 220 is 10,000lph and the 320 is 13,000lph, however suggested flow rates are lower. Slower is better for fine removal and clearer water. Aim to turn over your pond volume every two to three hours. The Evolution Aqua Varipump...
How often will the filter need cleaning?
Typically in summer the filter will require cleaning once or twice a week, however every pond if different and cleaning requirement will vary depending on stocking density, exposure to sun and other variables.
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...
What fittings do I need to connect the Varipump to pressure pipe?
To attach 2” pipework to the Varipump 20,000 and 30,000, you would need to use a 2” single union, threaded female to plain female, EA code: K82-76-66.You can then glue 2” pressure pipe directly into this. With the 10,000 you would...
How long will it take to see results after using Pure?
The bacteria is working from the moment it is put into the pond. It will quickly start to find a food source that can sustain massive, exponential growth in the bacterial count.
It is likely to be somewhere between 24 hours and 5 days before any difference...
Why is the water level in the Nexus outer chamber much lower than in the inner chamber?
• The pump could be too powerful, so the Nexus+ is being emptied before the pond refills it by gravity.
• There could be a blockage in the transfer port between the inner and chamber and the outer chamber. You need to back flush it. You can download...
How long is the Varipump guarantee?
This product is guaranteed against defects in material and workmanship for two years from the date of purchase, under normal usage. The guarantee DOES NOT APPLY in case of improper use, negligence, lack of maintenance or accidental damage to the pump...
My airpump is running but no air is coming out?
What size pump do I need for an EazyPod?
EazyPods are suitable for ponds up 10,000 litres, and we recommend that a pond is turned over once every two hours. A 5000lph pump (like a Bermuda Filter Force 5000,) would be perfect.
I want to install the EazyPod on a gravity fed system, what height will the water level be?
The measurement on gravity fed Eazypods will be 555mm from the floor to the water level inside the EazyPod. Remember to remove the black inlet pipe and make the necessary changes to the filter as shown in the instructions, as the EazyPod will arrive ...
What size fuse do I need for a Varipump?
As all the Varipumps use less than 700watts so 3 amp fuse is suitable.
What is the weight of K1 and K1 Micro Media?
K1 weights 150kg per m³ and K1 Micro weights per m³
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