yeah i looked at that a few times pretty nasty!!im now worried bout my smaller 1!!every1 has different opinions on this its so hard who to trust an believe,the people i get them off have been experts 4 yonks but every1 on here has had experience 4 yonks 2!!will it not upset my smaller 1 if i remove him from the tank to a new 1?the only other tank i have is to small i think 4 the bigger 1!!