Which will be better--T5 or MH

20K Halides...Ive messed with quite a few lighting combos...but for zoos...20K halides are marvellous...using a Radium DE now..
 
Metal halides! Two 150s don't make it, I have two Sunlight supply 250s and they are great. you may see a piece of SPS down the road that need them and you will be ready to spend!!
 

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