Don't expect clone-only results from seeds
Both the Serious and the THSeeds versions are going to be sweet and bubblegummy. But neither are going to have a taste that really nails down bubblegum. You need to find a clone for that.
Its the same thing for other IBL's like blueberry. You can't go in expected something that 's not realistic or you will likely be dissapointed
like jbonez said, that person who found a fantastic bubblegum, had to pop a pack of seeds to find that keeper, perhaps they popped one perhaps 100 who knows. i would personally get a clone if i had the option. not everybody has that option..