Anyone have a rio nano skimmer ? I bought one suppose me pretty good but ill be damed if I can get it to work ! And plus its lil different than what ive seen on line and on box shows online and in box it's suppose have venturie valve all mine has is air valve what up with that and how the he k do you tune it in? Instructions are nil to none and when you look online they allhave venturie valves mineonly has air valve ? And ideas? Please let me know ? earlgrisdale@live.ca