Hi mama! Oo, the 3.4kg is mas sulit talaga, lalo na kung mabilis maubos ng baby mo! A few of us tried looking sa Lazada at Shopee kasi ang physical stores dito are hit or miss with the bigger sizes, and nakakita kami doon ng S26 Gold Two sa malaking packaging at mas mura pa per kilo. Try mo rin mag-check sa Mercury Drug if may branch ka nearby, sometimes may stock sila ng bulk sizes na hindi available sa regular supermarkets. Good luck, mama!