Efficient and effective pond filtration

Just showing you the filtration I have on my pond
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Aquascape foam:
amzn.to/35epV0e
amzn.to/35l8YRU
amzn.to/35eqeIq
Amazon: Uni seals: amzn.to/3e5QeXF
Matala Filter pads: amzn.to/3bU9w0L
Bulkhead fittings: amzn.to/3d671db
helix skimmer: amzn.to/2WY4w6y
Aquaydyne filter: (i got this one second hand) - amzn.to/3eYCfD6
Pond liner: amzn.to/302MdiB
Bottom drain: amzn.to/3euKAyg amzn.to/2AoYROx
Amazon air pump:
amzn.to/2ZS6Qy1