Resources:
My photos from orientation walk on 22.08.2018 Sous le ponts de Zürich +
General tips from PADI website https://travel.padi.com/d/switzerland/
Another resource: http://diveadvisor.com/switzerland
Swimming outdoor: https://www.zuerich.com/en/visit/outdoor-pools-in-zurich
Between 18-21.10.2018 I will be under address: Mutschellenstrasse 114, 8038 Zürich, Switzerland.
I am not sure about how much space in my car I will have so any questions about my journey you can ask till tomorrow evening via my mobile phone +48 605 232 330.
Here you can find useful tips whenever you go to Zürich:
https://www.visitacity.com/en/zurich/guides/zurich-on-a-budget
20.10.2018, photos from snorkeling in Lake Zürich
Too tight my of 19 years old double part 7 mm wetsuit.
But keeps warmth. However I could not close a zip on my back to an end and an external part I even did not try to close with a zip once I tried for a while what deprived me of an opportunity to breathe.