Unifun via Amazon offers Prime members its Unifun 45-watt LED Grow Light for $32.99. Coupon code "U2XHFXJ2" drops it to $22.99. Plus, Prime members bag free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $7.92.) That's tied with our November mention, $28 off list, and the lowest total price we could find. It features 225 LED bulbs. Deal ends January 31.