^ Best advice is not to buy in bulk and to think again on your idea of it not being seriously addictive cos it truly is. It's not the odd weekend of hyperspatial exploration, it's multiple grams a day until your bladder is so fucked you're left pissing through a catheter the rest of your life. And still keep dosing. It's a massively addictive drug. So many of the really good ones are though
As for sweet ket, in the UK it's frequently smuggled in dissolved in Rose Water (cos Rose Water is very popular in India - even more popular than the OTC ketamine

) and sometimes has a slight flowery sweetness to it. If you're getting krystal it may taste that way for similar reasons. Or may not. But maybe