jewel aquarium

I am hoping someone might be able to help me. I have a jewel vision 180 with its inbuilt filter unit. when running my pump my filter seems to be getting an airlock in it. If I turn off the power to my pump large bubbles come out the top of my filter unit. I have dismantled it and put it back...

Ok, so it’s taken me all day to set up my new Jewel Lido 200. The only thing that is really bugging me, is the huge unsightly filter, that’s pretty wedged on with silicone blobs. Has anybody ever removed this from their Jewel Tank? I’m thinking of using a Stanley knife to wedge and just strip...