flora series perform better if you use the 3 parts in the ratio gh recommand, lucas is just a kiss methods and its far from balanced nutrition.floranova wasnt designed on lucas, its the same exact profile as flora series except its one part nute mixed with humics.
@bron-y-aur-stomp ; theres no pros and ton of cons to use malic acid. phosphoric acid can be bought everywhere and its safe to use and thats what professional use, theres reason.
if you really want to save money on acids, buy a reverse osmosis system.