Hi, the crystals are a mix of rust and calcium.
The best thing to do is to pick up some CLR, It is a product that clears calcium lime and rust it works very well;-)
It is available in most home improvement stores and hardware stores as well. Basically you soak the fitting ends in this for 2 minutes to clear all that away and restore normal clear operation.
As for the machine fittings simply pour some into the hose and when you connect it, it will clear the filters screes on the machine as well;-)
In any case, I will stick with you until this is complete.
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CLR clears all of that mess lol
Or similar product it really works well.
Hi, I would ask a hardware store person, YES CLR is the name of the product, but there are many others out there that clear calcium, lime and rust which is what you have;-)
It coming from your water supply ;-)
It can even happen wit so called city water.
I hope it works out for you , Im sure it will;-)
Thank you and have a nice evening.