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DIY filter for Small Lake

DIY filter for Small Lake
This is an efficient homemade filter made it after reading and analyzing information. It has mechanical and biological filtration all in one. Pump will be needed. Maximum time to make(If you have all materials): 30 minutes

Cost: Maximum $ 60 (5 Dlls)
 
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Step 1Materials

Materials
All the material you need are:

1 right-angled plastic recipe
2.5 metters of poliflex or electric corrugated hose; cut it 2cm pieces
2 scouring pads
1 round-trip plastic recipe (called pre-filter)
2 3/4" plastic water hose connections with their screw
1 ball mesh or someting like that
1 brick
Tools: Xacto knife, marker, scissors.
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Author:rarroso