hi recently started growing again after a 3 yr break, im using mg soil with pre-added nutes mixed with 25% perlite. the seeds are arjans straberry haze. fresh air is a problem so am using a vat of yeast sugar and water to supplement the air. light is a 400w hps and the temp is holding steady at 82 degrees. could anybody tell me when i should start to add fertilizer or if i should at all?

I don't add any nutes the first three weeks, when using MG moisture control potting soil. I transplant from a 16 oz cup to a 6 inch pot and then a 10 inch pot. I use a root stimulator after each transplant 4-10-3, ONCE, very weak, mixed with water.

Then 10-52-10 in flowering.

Attached Images

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"Consider yo' bad self enlightened, homeslice"-StinkyAttic

I agree with Dutch Pimp ...

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do you mean 3 weeks after germination or three weeks after planting?

When the seedling/sprout breaks the surface of the soil. I consider that the start of the clock. I veg for 4 weeks; only, (20/4) and then switch to 12/12 flowering light cycle/flowering nutes...

I do my final transplant when the seedlings have shown their sex.

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"Consider yo' bad self enlightened, homeslice"-StinkyAttic

ok thanks for your help