Hydrobowl for Terraristic

I designed a small bowl with magnets for terrarium (20x20x20 cm) for jumping spiders to keep the humidity. I've used round magnets with the dimensons 10x2 mm from Amazon. Magnets:https://www.amazon.de/LISOPO-Magnettafel-Pinnwand-Kühlschrank-Handwerk/dp/B0C84VMCY3/ref=sr_1_6?__mk_de_DE=ÅMÅŽÕÑ&crid=55N5BQUZHYEM&dib=eyJ2IjoiMSJ9.0H4mwpCL-QAgXjZUDB3s7ci2FGGKQU-ixvwXc_1UD_7PT3bfYZFcJTU2UXfm62K6foUHjGJgQQKBTxRFXJR3_OVUS4S9yBxiVzAeftWp1dDyIoRYw_B7K5dILn0-SDA-5fbFouONRzupAXtaEdinfdaJsIAhqS3z-J9l4mLDpw7B1GCdbRckHy6wH9qTYOfG_OFiR40aN2A2jBomnWKVy8H8lWdeEIy1001JcUehjvIu7vk-ACJUa_YsZDIC0VT_AhP_qGJA8GusTv2AuYnklGCWHZn4bsSxvxBU0uJ5yPw.r31tEtm-6LaHoIS7-Cs9eEYtt_vHAST0Z45_Fm2MQDU&dib_tag=se&keywords=rundmagnete%2B10mm&nsdOptOutParam=true&qid=1733598094&sprefix=rundmagnete%2B10mm%2Caps%2C105&sr=8-6&th=1