HyLids - Digital (Special 6 pack) - Wide Mouth (3 3/8") Hygrometer Lid - FREE SHIPPING (USA)

4 reviews Write a Review


HyLids - Analog - Special 6 pack deal! HyLids hygrometer lids fit on Wide Mouth Mason canning jars. You are now able to monitor and adjust the relative humidity(RH) inside a jar and make adjustments as needed.


2 piece Analog HyLids hygrometer wide mouth lid w/outside ring

Spare Battery


4 Reviews

  • Posted by mike davie on Jun 1st 2022


    Great product

    I was going to try and make something like this myself.I am glad I didnt,these are made very well and worth the cost.
    Cheers HyLids

  • Posted by Dylan on Apr 26th 2022



    Awesome lids
    Great customer service.
    I recommend them in a few grow groups, hope you got some orders from it. People seemed really excited.
    10/10 would recommend.

  • Posted by John on Jul 15th 2021


    Awesome lids

    The digital lids work great and they even sent me an extra battery for every lid!

  • Posted by Artemio Alejandrez on Jul 9th 2020



    Saves me soo much guess work.