So I brewed my first all grain BIAB today. Everything beautifully, until i went to cool my wort. I bought a stainless steel immersion chiller and it took 45 minutes to go from boiling to 70. I had to stir with the chiller which cause my wort to become super muddy, clogging up my bazooka filter...

I'm new to all-grain brewing and I'm doing a small batch (1 gal) / brew in a bag type process. I'm on batch #4 at this point. I would like to reduce the amount of trub and hop residue that gets into my primary. I know how to deal with the hops, that should be taken care of next brew. I don't...