I want to use a skim vac .. I bought one with a rubber gasket .. without a right angle .. i placed it over the skimmer and the water line just touches the tip of the skim vac where the hose goes .. if i got one with a right angle it would most likely go above the water level allowing air to stay in when i try connecting the hose .. I haven't seen any skim vacs with just a hole to slide the hose into below the water line .. is there any other solution besides not useing one?