Under how many watts germinate seedlings?

[fatbuds420]

under how many watts should i spout seedlings?

i have a 2 bluprle one 240w one 150w, both can be dimmed to half power.

i could also use standard led bulb.

can the 150w bluprle dimmed to half power germinate 4 seedlings? and when should the power be turned up?

 

[Old Salt]

I'd use the 150W at half power about 18" (45cm) above the soil. Just keep an eye on them to make sure they aren't getting to much or too little light.

 

[fatbuds420]

I'd use the 150W at half power about 18" (45cm) above the soil. Just keep an eye on them to make sure they aren't getting to much or too little light.

what's a good indicator of not enough lights except streching? (mind you they are autos so i need to act fast for everything)

 

[Old Salt]

what's a good indicator of not enough lights except streching? (mind you they are autos so i need to act fast for everything)

I use stretching as my guide.

 

[fatbuds420]

I use stretching as my guide.

i see, also, could you help me out please?
i'm confused about flowering times .

so i buys seeds on royal seeds. "quick one" flowers in 5-7 weeks, but is ready to harvest after 8-9

skunk flowers in 6 - 7 weeks, but is also ready after 8-9

how can it flower for longer, but still be ready to harvest in the same amount of time? i find it very confisuing

 

[Old Salt]

I don't grow autos, so I'm guessing that some strains ripen faster than others once they start to flower.

It's the same in the photoperiod strains. Some have flowering times of eight weeks, others take up to twelve. Some breeders take the flip as the start of flowering, others the first appearance of flowers.