It was too 'advanced' for me, I just never quite got the hang of it and it was just too chunky for where I had it in the lounge. Therefore it was relegated to the shed and that's where it's been for probably close on a year. I finally decided to try and do something about it and advertised it on GumTree and today (15 days or so after placing the ad) someone came to look at it and bought it. I now just hope and pray it doesn't leak when they put water in it! I'm sure overwintering wouldn't have damaged the seals but you never know (so I better hold on to the cash for a few weeks )
I'm just glad it's out of my way now and I got some £10 less that what I was hoping for - I'm happy And best of all the person who bought it had the same type before so knows how it all works - it is a very good tank, just not for me