Fluora light tubes

[acdream]

hello!
i'm a newbie here and i can't speak english too much, but i have a question, because i can't find any answer on net. so, i have many 18w "osram fluora" light tube with these options:
18w
550lm
i can't find how many kelvins..

top's at 440nm and 660nm
lightwave lenght:

"
OSRAM FLUORA - light for healthier plants and for aquariums

The light from OSRAM FLUORA fluorescent lamps has an emphasis at the blue and red ends of the spectrum

so it is ideal for promoting photo-biological processes in plants. The result is healthier plants.

OSRAM FLUORA lamps are used wherever plants do not receive enough natural daylight, for example over

feature planting in shopping centres, offices, hotels and the home, and also for florists` shops,

greenhouses and aquariums.

how many does i have for the flowering state, for 1-2 plants(DP blueberry)?
lots of thanks for the answers

 

[felix the cat]

You need at least 2,000lm per square foot or 18,000lm per square meter. More is better.

How big will your plants get?

 

[Racefan]

I'd try for a minimum of 4000lm per square foot myself. While 2000lm will support life. 4000lm will support growth.

 

[acdream]

thanks!


so i should buy a 150w hps for my 5.5 sqfeet growbox,if i dont want to use more than 250-300w. 250w doesn't ok, it makes to much heat here. do you know what is the heat production of a 150w hps? I have to do these things in a 1.65x1.65x4.43 feet box with 2 plants max.

 

[acdream]

felix:
i want them\her to grow 20-25 inch max. what do you think, if i try one femi plant to yield 80-100g, what are the conditions, i have to work out?