I don't think you need much in terms of supply material. Aside from starter culture, all I needed was an amount of F/2 and a density measuring stick from Florida Aqua Farms, and it kept going for about 6 mo, then I restarted the batch. I don't culture anymore and can sell my F/2 & density stick for cheap. I only used a few spoons of the 1kg bag, its enough to dose a backyard swimming pool. Shipping is okay too. PM me if interested or any questions you have - though my experience is limited to a year's worth of nanocl. culturing.