No chill containers..

[MyQul]

You will have to change your hop charges or you will end up with too much bitterness, although you can get used to that, best method I have found is the argon method for no chill hopping. Also better off using heavy duty cubes if you can get them.
https://aussiehomebrewer.com/threads/late-hopping-and-no-chilling-guide.55801/

Not necessarily. I just pass my wort through a sieve on it's way into the no-chill FV to seive the hops out. I just follow a recipe as per you would if you were using a chiller

Although I used to use the 'Argon' method and it works well

 

[Horners]

HDPE is high density polyethylene. Its what your supermarket milk cartons are made out of.