How to restart your pond after winter.
- Even during the months of relative inactivity
over winter, your pond and it's life-supporting
hardware will have undergone significant changes
having experienced the physical extremes of our
- As the majority of koi keepers do not heat their
pond over winter, for this article I will assume
that the pond has not been heated but followed
ambient temperature over winter.
- As there has been no food added to the pond,
there will have been little incentive to carry out a
water change through the cold months.
- So it is highly likely that the composition and
analysis of your pond water will have changed, and
with the changes that are going to take place as
spring approaches, the pond will experience another
- Bacteria will start to divide (still as slowly
as they would do in a fridge) and commence consuming
the array of inorganic and organic material that
would have accumulated over the winter.
- One potentially catastrophic event that you must
plan to avoid is for your pump to blast new water
through your rested filter and pipework, taking with
it a highly anoxic and potentially toxic organic
sediment that will have settled in that pipework and
- Clean and service pump and strainer.
- Continue to do so upon first feeding.
- Replace as required ready for later on in the
year when aeration will be required.
- Quartz Sleeve: Low-abrasive pan scourer (for
non-stick pans) and hot water Pump Strainer: Bleach
and hot water, stiff scrubbing brush Airdome
membrane: Hot water, scrubbing brush (if you're able
to retrieve it from the pond bottom!) Mechanical
Media (dry and encrusted)
- Pre-soak and then blast with a high pressure
water pump media clean
"quartz sleeve" pond temperature filter koi bacteria
fish extreme air waste pipework click link to read
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