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Lotus Clear Pond 50 Multi-Stage Pond Filters
![](https://24pondsupplies.co.uk/wp-content/uploads/2018/06/988.jpg)
At last we have found a box filter to satisfy the more discerning goldfish pond keeper.
This box is even good enough for koi (see reduced pond size figures in section below).
This compact multi-bay system employs filter foam cartridges, brushes and flocor media to ensure your dirty pond water is thoroughly filtered.
It has a powerful built-in UVC unit under the lid which keeps your water clear of green water, and is a doddle to clean by utilising the quick action back flush.
A full de-sludge is also available by simple hose attachment (all filter media is held above the filter floor so valuable friendly bacteria will not be harmed by this process).