You're best off trying again bro. You won't yield much at all off of those by the looks of it, plus they're nowhere near being done. The best advice anyone could offer you on here is to do a lot of reading and researching. You're right when you said you won't gain without losing. You can do wonders with two 70W HPS lights with CFLs for side lighting. Keep the plants as close to the lights as you can without burning em ( a rule I use is if it's too hot for the back of my hand, it's too hot for the plants).
Good luck on your next grow bro, and if there's anything I can do to help you please feel free to hit me up with a private message!