is a 70w hps light worth it

Right know I have 9 4ft fl light with two bulbs in them each so that's 18 bulbs. I saw a couple of people using cfl lights so I went to home deport to check them out, but the 150w only put out 2600 lumens and my 40w tube put out 3200 lumens. So I decided not to get them because it was $9 and mine was $4. But I did see a 70w hps light for $49 dollars and it comes with the bulb. I'm wandering if it's worth it or should I hold out and save my money for a real 400w hps. I'm just wandering how much better it would be then the fl lights. I have had good success with the fl I have 4 big bud females that are over 3ft tall and in the second week of flowering.

Thanks

I'm thinking you do as well as can be expected with a bank of floros. I use floros for cloning and veg with great success, and i even flowered under about your same wattage once with 4ft floro's, using a bank of sidelighting on each side, with decent results. A 70w hps will only cover about 1 sq foot with usable light. I bet you have a lot more sq footage to cover if using 4ft shoplites.

Another tip is that floros only provide useable light down a few inches from the bulb, so keep them very close to the tops, and dont expect much bud growth in the lower branches. Good luck

my local hard ware store has a 250w hps for $29.99...

ur gonna want cfls for veg and then hps or mh for optimal flowering