ANTSTORE World of Ants

[HEDST8]

Hi all,next year im going to get a starter kit and just wondering about the hidration part.I cant seem to find any instructions but have seen some instructions that mentions a tube you put in the bottom of the tank to help keep moisture in the sand and loam.on Do all the kits come with this tube?The way i understand it go on the bottom then a upright tube connects to it for you to pour water into the bottom?