Sonic Bloom (Sunshine Powder) high PK booster contains 20 times the vitamin B1 of other popular boosts, PLUS heavy doses of B2, B3, B6 that put this product in a class of its own. Sonic Bloom increases the size and mass of flowers and stimulates resinous oil and fragrance production in many culinary and medicinal herbs. Available in one, five, 10, 25, and 50 pound containers.