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How To Prepare Your Pond For Winter

10th October

Do you really need to prepare your pond for winter?

How well you prepare your pond for the winter will determine what happens when the weather gets warm again. Winter pond maintenance is about making sure your aquatic life are well kept and sustained throughout the colder months so that come spring,  they’re still going strong but also to make sure you get a head start on combating the reasons why ponds go green in spring.


So yes, you do need to prepare your pond for winter…

We’ve put together this guide with a checklist of essential things you should be doing to keep everything well maintained. This way, you won’t have a big task come spring.

So if you’d rather be enjoying your pond next season, than tending to it, keep reading…

When should I stop feeding my pond fish?

When the pond water temperature drops below 13°C for over 10 days you can stop feeding the fish. Change to a wheat-germ based food for a few weeks before, as it’s easier to digest and won’t get stuck in their stomach.

Once the temperature is above 13 degrees consistently, you should start feeding your fish again.

Cleaning out the pond

Scoop any debris out of the top of the pond with a fine net and use a pond vacuum to remove sludge from the bottom of the pond.

If possible, physically clean anything else from the pond without harming the fish. You could do a partial water change to allow easier access to the bottom of the pond.

Use Envii Pond Equaliser to restore the biological balance to the pond and prevent changes in pH. Attach a pond net around 18″ above the pond surface to prevent leaf fall, (leave a few small holes if your pond has frogs).

Should I turn my pond pump and filter off?

This depends on where you are in the world. If you live in a cold climate where the pond is likely to freeze over, then turn off equipment. This is because the fish will hibernate in the warmer water at the bottom of the pond. Where the pond pump will move the colder surface water around the pond and disturb the warm water.

Generally, in the UK you should be fine to leave the pump and filter running as normal.

Winter Pond Treatment

Envii Winter Pond Treatment is a revolutionary pond treatment that works all winter. It’s the first of its kind because it works as low as 4°C to break down the organic material. This organic material (twigs, leaves, fish food, acidic rain, excrement etc.) acts as a food source for algae which means that in the spring you will find a pond full of algae.

By using our winter pond treatment product, you can ensure your pond it topped up with the beneficial bacteria. This will digest all organic waste to keep your pond clear all winter and for a clear start in spring.

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