cfl builbs lifespan

[PotSmokingJock]

Hello there

i have a small grow box with flat white interior, i have had 2 very good crops from it using 4 OSRAM 23w=120w warm white twisted cfls

does anybody have any idea how many grows you can get out of cfls, and do they get dimmer with time etc ??

when to replace them basicly

thanks

 

[Roseman]

I've asked that same question here twice and never got a good answer.

 

[Roseman]

bump, bump

 

[boneyshapeye]

usaly they say on the bulb packaging usaly aroud 60,000 hours so i say switch em at 45-50 lol i have no idea lol i have at least 20k hours on mine and thier still strong lol

 

[john mcrules]

i'd replace them when they burn out OSRAM... is the manufacturer? were you vegging with the white warm too? just curious. i'm using 6500 for veg

 

[Roseman]

Those are good answers but the problem is a CFL or any flourescent can still burn and make light, but not make the desired proper lneeded umens or rays.

Consider the tanning bulbs, that still light up after a year or two, but will not tan cause they are old.

 

[boneyshapeye]

if your realy that worried just change em every 2 run threws

 

[PotSmokingJock]

mite just change em every 2 crops, and to the question yes i am using warm white 24/24 to veg as i cannot seem to find any decent watt cfls that tell you if they are warm white etc.

is it wrong to use warm whit for veg ?? didnt realy coz probs last time ??

 

[PotSmokingJock]

^theres just a little more stretch thats all

i have actualy found stretch a problem when i switch to flower as my grow box is around 1n half meters high and within a few weeks into flowering the plants are nearly touching the roof thankfully so far they have stopped just at that point

 

[Roseman]

mite just change em every 2 crops, and to the question yes i am using warm white 24/24 to veg as i cannot seem to find any decent watt cfls that tell you if they are warm white etc.

is it wrong to use warm whit for veg ?? didnt realy coz probs last time ??

It is just not best. You supposed to use COOL white in VEG, and Warm white in BLOOM, but also use a mix, a blend of the dual spectrum, 60-40%. .

 

[PotSmokingJock]

thanks i have always wondered about this, ill try n get my hands on some cool blue cfls, like i said tho ive noticed that most of the high wattage cfls iv seen on the shelves of the uk supermarketsdont realy say what they are, is there any other does it matter if the wattage in flower is higher than in veg etc

 

[PotSmokingJock]

i know the builbs i am using are deffo good for flowe as here is a few shots from my last crop using the same builbs i am using on this grow