So I use “ Bend Tarps & Liners “ BTL and I get the 30 ml . I think they have me at .50 cents per sq foot but that’s because I but so much and shipping is extra . I paid 700.00 for the liner shipped and it is 25 wide x 45 long one pcs .
Hey I just saw this . I picked up duckweed from a pond and fish place down here ( swimming flowers fishery) but I like the wider southern variety a bit better this stuff is small but they still enjoy eating it .