Don't let your chain get dirty and dry or wet and rusty. In thi tutorial you'll see, how effective different methods of chain cleaning can be.
The chapters:
0:25 What rag / towel you need.
1:10 Do you need a degreaser?
2:10 EBike crankset trick.
2:18 Cleaning with a rag.
3:28 Next phase drivetrain brush.
4:18 The shoelace method.
5:10 Toothbrushes trick.
5:40 Lubing.

Here's the chain oil I use:
for my trail, XC and road bikes https://amzn.to/39x3djZ
for my eBikes (it is thicker, easier for the chain to get dirty, but it lasts longer on bikes with central motor unit) https://amzn.to/2ZVAWAj

Bike & chain cleaning brushes I recommend:
high quality kit https://amzn.to/2ZXFera
the set from the video (it's OK too) https://amzn.to/2OSW3Nt

organic food I use once a day
https://bertrand.bio/

our cycling forum
https://szajbajk.com/2QbxauJ

our Facebook group
  / sickbiker  

Where to buy bike products:

https://amzn.to/30Cw96L Bike degreaser

https://amzn.to/30FC7DX Finish Line bicycle olive

https://amzn.to/3lis7bK Park Tool TS4.2 chain cleaner

https://amzn.to/36FdjQw Bicycle Chain clip