Making a Home Made Up-flow Filter

This is how I made a custom Up-flow filter to try and catch 'fines' from the pond and increase clarity.

The approximate costs for building a filter using 150mm and 110mm pipe are:
150mm Filter
£39 - 1 x 1mtr length of 150mm acrylic clear perspex tube
£03 - 2 x 20mm (approx) lengths of 110mm pipe
£32 - 2 x 160mm to 110mm rubber adapter
£20 - 2 x 110mm to 1½" rubber adapter
£ 8 - 1 x 1½" rubber T-connector
£15 - 2 x 1½" valterra valves
£ 4 - 5 x 1½" straight connectors solvent weld
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£123 = Total

110mm Filter
£33 - 1 x 1mtr length of 110mm acrylic clear perspex tube
£20 - 2 x 110mm to 1½" rubber adapter
£ 8 - 1 x 1½" rubber T-connector
£15 - 2 x 1½" valterra valves
£ 3 - 3 x 1½" straight connectors solvent weld
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£ 79 = Total

Where I got the parts from
Acrylic Tube - Trent Plastics do 110, 150 and 200mm acrylic tube at 500mm and 1 metre lengths
https://www.trentplastics.co.uk/acryl...

160mm to 110mm rubber adapters - For a massive range of rubber reducers and adapters covering a big range of sizes and combinations I used JDP
https://store.jdpipes.co.uk/adaptors-...

I got all of these fittings from my local Koi shop
110mm to 1½" rubber adapter
1½" rubber T-connector
1½" Valterra gate valves

1½" straight connectors solvent weld - Toolstation
https://www.toolstation.com/solvent-w...

I got the mesh to keep the media in the tube off eBay. Cut it to size using a wire cutter.
https://www.ebay.co.uk/itm/4pcs-Grid-...