6 in one hand, half a dozen in the other. VHO bulbs have built in reflectors on them (URI). T5 allow for more flexibility in spectrums. I perfer VHO, Keri perfers T5.
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For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Member of the AGA (Aquatic Gardner's Association)
Member of the IBC (International Betta Congress)
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