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Nikwax Down Proof (Amazon
This is the waterproofing step I talked about for down insulation—especially the foot end that loves to touch tent walls. Treating down helps keep the insulation from collapsing if it gets damp from condensation. It won’t eliminate condensation, but it makes the consequences way less miserable.
Buy on Amazon
You'll be taken to Amazon to complete your purchase.
Pros
- +Helps down resist moisture so it keeps lofting
- +Useful for the foot end that often contacts tent fabric
Cons
- -Does not replace proper ventilation and campsite selection
- -Another maintenance step you have to keep up with
