Share 'Brand new Grande and missing liquid'

as i bought a grande 27" on ebay (lavalamp does not send to switzerland unfortunately) i've received the lamp today. i found out that the cone does not fit properly and some liquid is missing. can i fill the liquid up with distilled water? and is the cone the right one? attached there is a picture where you can see both issues... from my point of view it's not the right cone because its to big