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How to build a 10 ATM/100m Watch Water Pressure Tester for $40 (assuming you already have a bicycle pump or an air compressor)
There are a few ways you can go about doing this depending on a) what you already have and b) how elaborate you want to get.
The simplest and cheapest way to go is to just buy the following items:
1) Water Filter Housing ($33 Shipped) Here is a link…
DIY Water Proof Tester. How to build a 10 ATM/100m Watch Water Pressure Tester for $40
