we're taking dry ferts and liquifying them on the spot? should I be getting the bottles soon?
Best to assess how many people would be interested. a sample of macros for $3 and a sample of Micros for $3 might suit a majority of people. Going by a drop a gallon will likely last several months. Would this be fair to everyone? remember we're going to start slow with the PPS Pro
method targeting smaller tanks but it may be applied to larger tanks equally in larger doses.