Frequently Asked Questions



Quartz vs Borosilicate (Pyrex)


The main advantage of Quartz is its quantity of silica (Si02) in the glass; over 99%. This allows quartz to handle temperatures up to 1,100° C and is much more durable than regular borosilicate (Pyrex).


Free Shipping


Our QuartzXNails include free Airmail shipping to USA & Canada and usually takes between 4 & 7 days to arrive. The service includes no tracking number and insurance. If you wish to add tracking to your order, you may do so during the checkout process.




Due to the nature of the products sold, we do not offer returns. In the odd case that your order was not received or arrived damaged, please contact us within 24 hours to rectify the issue.


How can I contact you?


You may e-mail us at info@cloudytubes.ca. We will respond to all enquiries within 24hrs!