Lol no way a 250w ballast can run t5, they would pop. What he probably did was run the hot spliced off supply on the 250 line. But anyways running dedicated lines to each leaves you with the option of having the t5 come on before halide and vice versa...
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Always looking for the next best coral...
90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips
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