juwel filter

does anyone know if the bio flow one is supposed to be fully submerged or quarter out the top of the water. Also it has suction cups on the back but they keep popping off the glass. Anyway I can stick in on there better ?

Hi I have had a little fish tank up and running for about 8 months now-so am not a complete newbie...all is happy and Well all fish alive still-(I have read a lot of articles on here in that time) however my issue lies with my 180L tank. I bought this baby second hand and it’s had a few...

Hi all   Not sure if I put this in the right place, but I have one particular platy that keeps getting stuck in my Juwel 180L filter. I've rescued him 3 times now and today he is back in there. I have no idea how he gets there in the first place. I have 3 platies and 3 mollies and NONE of them...