So I have a 210 GAL I have a silver arowana only 4-5 inchs right now but I know that when they get bigger they like to jump when scared. Any suggestions on ways to hold down my glass tops without the use of dumbells and rocks or books ECT.....? Like some product I may not know about that will latch your lids shut and still look good...? Anyhelp or Ideas would be awesome!! Thanks alot guys and gals!!