Black polyethylene bags can be used. Most manufacturers put UV stabilizers in PEX tubing to provide at least 30 to 60 days UV protection. This helps to protect the PEX in case of project delays. PEX Piping FAQ How long will PEX pipe last outside?
I used an ancient manual screw type pipe bender which was a lot of work to use. You might want to take it to a muffler/exhaust shop and get them to bend it for you ( a local high school might let you use their workshop also) You need to leave about 40 to 50 cm of straight ...
Attach a flush valve or end cap to each drip tube to prevent water leaking out the end. While you could just bend the tube back and crimp it shut, these tools make it easy to inspect and clean clogged tubing. 5 Test the system. Set the timer on manual and turn on the water suppl...