Autumn pond and pond liner maintenance tips

This year the UK has reportedly experienced the coolest summer since 1993 with predictions for Wales and the south east of England to have a warm September. With the variability in the weather it is difficult to know when to expect the autumnal weather to descend upon us. With this in mind it is wise for all pond owners to keep an eye on the weather and plan when to start your autumn pond and pond liner maintenance to keep them in peak condition throughout the cold months.

Autumn is generally related to cold, frosty nights resulting in plants taking on a droopy look. An important task is therefore to dead-head plants and clear your pond of rotting vegetation to ensure that the water quality remains in a healthy state. A way of avoiding vegetation rotting in your pond is to cut back or remove plants with leaves below the water level.

Falling leaves often present a problem to pond owners. A useful tip is to put a net over your pond in autumn. Leaves need to be removed from a pond before they start to decay. As the weather cools amphibians will have left your pond and insects will be over-wintering in the mud at the bottom – a least harmful time for wildlife so no need to be concerned about having to scoop leaves out of your pond.

This is also a good time to check whether your pond liner requires any repairs and remains well protected around the edges. Any damage, can in most cases be fixed using a pond liner repair kit. The area to be patched will have to be completely dry so you will need to lower the water level to just below the leak. This may mean removing a few marginal plants too, to get good access to the liner.

Fish become less active as the weather cools and therefore don’t require the same amount of food as they do during the summer months. It is therefore important that you start to monitor their eating habits. For some fish the general rule is that you will know when to start reducing the amount of food when they don’t eat all that is given to them. Any unconsumed food should be removed to avoid it left to decompose in the water. Koi, however may continue to eat what is given to them, so they require a change of diet as winter approaches – from October to the start of spring. A high protein diet during summer allows them to store excess energy that they will consume as reserves through the winter months. Fish, must therefore be offered a lower protein diet when the water starts to cool off – when it drops to consistently below 14 degrees celcius. A lighter diet will keep waste and water pollution to a minimum.

Plants provide a form of shelter to fish to shield them from any creature that maybe tempted to prey on them. If you have cut back a large portion of aquatic plants it maybe an advantage to your fish to place another form of shelter in the pond such as plastic piping wide enough for them to swim into.

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