Growers Trust Product review Part 1. I received a package in the mail today from Growers Trust. In case you missed the first post, you can see it here at Growers Trust review coming soon. When I opened the box, I was very surprised! I know on the Growers Trust website you can buy the 16 fl oz, 32fl oz, 1 gallon, and 1 gallon concentrate bottles. For a review I thought I was going to receive a smaller sample bottle or the 16fl oz, but they sent me a full sized 32fl oz bottle. That was very nice of them, and I am sure I will use every last drop. So these are the two products that they sent. One of the great things about getting these in the mail was the packaging. I've ordered a few products online before, and they generally come in over sized boxes, and a generous amount of paper. The box was just big enough, with just enough paper to hold and secure the two products. This is always nice, as I do not want to create a bunch of trash, or use a lot of trees. Both bottle