Deltec MCE 600 Users

[supersmile]

I just bought this skimmer and put it in my 44 gallon tank which is 2 years old. All it is doing is foaming up clear water and filling the collection cup with water in about 10 seconds! I have the air fully open. I am even getting water bubbles forming at the back of the collection cup and then dripping onto my floor. I called Deltec and they said to put vaseline between the tank and the collection cup at the back to stop bubbles from forming but that only lasted 10 mins until it started dripping again. Has anyone else had this issue? I am getting frustrated as this skimmer was a lot of $$$$. J & L said it is from using Prime as a water conditioner although I have never had this problem with less expensive skimmers I have used??? They told me to just keep running it although I can't if it keeps leaking onto my floor. HELP!