Pond Filter Hosetails, Washers and Seals

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Over time your hosetails can because hard and brittle, it's important to change them before they do. Imagine you're at work or on holiday and your hosetail breaks off due to this, you pond would be emptied and your poor aquatic life could suffer. The same goes for seals too, if not replaced units can develop a slow leak which can eventually become a bigger leak.