That's unfortunate but what I thought to be true, just couldn't find the answer elsewhere. I'm looking at setting up a 3 150 watt DE halide system with the Hamilton cayman sun system, I have the option for included ballasts or to purchase my own. It is my understanding that any electronic ballast will work, but an m81 ballast is the only magnetic ballast that will. Is that correct and if I want service life and repairabity would the aqua medic hqi cube be a decent ballast?
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