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Ok so I have just checked my meter and we pay 12.15 pence per kw so using this formula that I found on the net (light wattage output / 1000) x electricity cost per kilowatt hour = Operating cost per hour operating cost per hour x hours used per month = Operating cost per month For a 600w...

I've been looking at either a 400w or 600w with adjustable ballast but there is so much out there I'm not sure what to go for, I'm looking to stay away from cheap Chinese gear. Just wondering what brands everyone is using and what ones to stay away from. There's some good kits on eBay with...

That is a good idea, the only thing stopping me getting a 600w is I'm worried about the cost of electric, if I had a 600w on a dimmer then if the electric is not as bad as I thought I could turn it up. What a great idea thanks for that love your avatar by the way, up in smoke is funny as hell

To be honest I'm not sure exactly what we are getting charged for electric but to run my 125w cfl for 18 hours, extractor fan and small Xbox 360 internal fan (had to improvise while I'm waiting for an oscillating fan to turn up) that costs £10 a week to run all that, At a rough guess I imagine...

Thanks guys, I have decided to take your advice and go with the 250w hps. I'm just waiting for my tax rebate to come through then I'll order it up, cheers for the great advice everyone

The 250 does sound tempting and like you say it will only be on for 12 hours during flowering, trouble is electric in the uk is not cheap but I might have to make the sacrifice. The only other trouble is the price for me to buy the 250 with ballast is about £100 but the 150 £35 but I guess the...

Thank you for your reply, the 150w light I'm looking at is actually not self ballasted but it does come with ballast. It's only £35 on eBay so I think I will go for it, in the description it does say its been used so might get a new bulb as well. The 150w doesn't have a hood though but my cfl is...

HelloI am on My 4th week under a 125w dual spectrum cfl in a grow tent, the plants look ok and they have bushed out a bit but they just don't seem to be getting any taller, they are about 6 inches at the moment but were re potted not long ago and I buried the scrawny stems, i did have some other...

Thank you for responding, stealth is a bit of an issue so I can't afford to have the fan outside the tent, it is all positioned so that the only way anybody will see anything is if they are on a ladder looking into the room i.e the window cleaner, as it is the tent could get away with looking...

Hello I am not sure if I posted in the right section but I could not find a place for fans and extraction. I am 4 weeks into my first grow and everything's been going fine, up until the last week anyway. I've been growing in a 60x60x120 cm tent under a 125w cfl, trouble I've been having is with...