loose fittings across the loop

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Joined
16 Jul 2020
Posts
9
Something really weird is happening in my loop.
I saw a bit of colour from the liquid formed on one of the fitting, I got really scared!
it wasn't in liquid form, it was hard, like paint. in a bit of panic, I tightened the fitting where this colour paint was, and I realised that it was loose!
I went about the whole loop, and realised that allot of the fittings are loose! so I tightened them all.

Is it normal for a running system to be acting like this (needing to be tightend) after only a month of use?

The Fitting I'm using are Bykski B-FTHTJ-L12 ANTI-OFF, maybe they aren't good? maybe I should replace them? (they were brand new). Or... maybe it's because I'm using PETG and running with 40C water temperature, so... the tubing are getting deformed?

Should I change fittings?
Should I change PETG to Acrylic?
 
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