<span class="link_user">@Vincent_Van_Grogh</span>, those are fabric Vivosun 1 gallon pots, with a velcrow seem on one side. Hopefully making final transplant easier! Saw them on cocoforcannabis.com. DIY them by just cutting a regular fabric pot down 1 side and seem that up with a few safety pins
<span class="link_user">@Habosabin</span>, always grow with calmag, doesnt matter in which medium, never forget that and you will never again see this problem :rocket:
