yes, but additive not multiplicative, so a 100% potion = 100% (base) + 70% (exp bonus) + 100% (potion) = 270% it is NOT 100% * 70% * 100%.
And on FV? How does that work out? 100%(normal) + 50%(FV Bonus) + 70% (Aniv. bonus) + 25% Bottle of Adventure II. = Total of...225% Not bad for 17 days!