I have a few quite lively fish in the tank, eg when i feed my fish, there are some that dart to the top of the tank and worry me that they will eventually jump out.
However, i'll look into it and find out if there are anymore compatible ones out there. Overhead lumiaire's sound like a really...
The ballast has gone on my Juwel Rio 125 light unit. I need to buy a new one, but I was thinking that if there are any other compatible light units out there that would fit my Rio tank, then I could buy one of those instead.
I know that Juwel light units have absolutely rubbish ballast...
I have the same things on my tank, did you manage to find out what they were? i know it's almost 3 years since you last posted this but was searching google and found this thread. if you know what it is and how it can be removed, it would be much appreciated.