Bubble Trouble 50ml Short Fill 30PG/70VG is part of the Sweets range. The 50ml Short Fill is actually a 60ml sized bottle, which has 10ml left for user to add nicotine if required - hence ‘shake & vape’. Adding a 10ml shot of nicotine (18mg) results in 60ml of 3mg finished product. This product is a 30:70 PG/VG e-liquid and is mainly for sub-ohm devices. The E-Liquid flavour profile is: Bubblegum.