I have a hard time believing you'd be overheating the ballasts to the point of failure just because they are in a stand. If they have plently of room all around it shouldnt be that much of an issue, if they needed a fan they would be built with one (as some are). On the other hand obviously the cooler the better and adding a fan would be a good idea regardless. Sounds to me the issue lies elsewhere. You may be overheating the ballast but I dont believe the reason is from sitting in a stand.
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- 33 Gal - 20Gal Sump, MP10/Hydor Powerheads, Aquaticlife 4x T-5HO, Vertex IN100, TLF w/Biopellets, Tunze ATO
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