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I'd be as worried about feeding as I am about the light. 10 days is a LONG time...

Thanks :-) I honestly don't know how much air volume it moves, but it has 10 speed settings and controllable temperature. it oscillates just under 90 degrees, so PERFECT for a corner in my tent. I can tell you it's doing a much better job than my old Honeywell fan. i just love the non-choppy...

Looks awesome! those Plasma lamps do look impressive... amazing how such a small bulb can produce so much :D

Is it just me or are the stems bent too close to the top of the soil?

It's good to have both options. Though I'm now also looking at the Plasma in addition :mrgreen: the spectrum and UVB... wow! Too bad my local shop only carries the HPS.

I do! Never tried anything else though so can't make comparisons. I've had it for 4 years and no problems so far.

Looks good, waiting another few weeks will be worth it. At least your plants will be mature by the time you switch and will start truly flowering quicker.

Sounds good to me, would love to see photos. Are you considering a different spectrum bulb for flowering?

Actually a fridge or freezer is not the best idea. Keep them in mason jars (I recently painted my jars black to keep light out) in a cool dry place. I don't know what you mean by "long term", but buds can stay fine for months and years this way. I've only managed 6 months :bigjoint:

Could be algae, actually. What solution pH are you using to feed them, and what kind of sole are you using?

a little cider or grape vinegar with every watering/feeding should lower the soil's pH.

They're 220V. Not a problem if you live in Switzerland :-P

I would, but my DIY skills are so bad it might pose a safety risk :P I actually don't mind the reflector so much, even though it's designed more for multiple lamp setups rather than an individual grow tent.

Try adding enzymes to the last two or so feedings, that should take care of excess salt built up and dead root mass. I stop feeding nutes a week before chopping.

This is excellent! I'm SOLD :clap: Will be getting an adjustable 600-800 m3/h fan, in a 1.20 x 1.20 x 2.00 m tent. Can't wait!

Hey had no idea you were on RIU :D What size exhaust fan do you need to keep temps low enough? Is an intake fan necessary? I'm pleasantly surprised, as the lamp doesn't appear to be too high off the canopy.

The time it takes to start flowering depends on how mature the plant was (veg time), and this changes from one strain to another. How high is your grow room and how long did you veg for? What you could get is something like a fan heater. I have an oscillating one that I can adjust the...

Photos would be helpful. You should count flowering from the time the plant shows its first pistils, not the day you switched to 12/12 lighting. Stretching could occur for a few reasons: -genetics -light spectrum (blue lights reduce the stretch) -light being too far -inducing flowering...

Which Biobizz soil are you using? I use the Light Mix. Also, how are you testing your soil pH? I personally only use tap water, but then again I think Swiss tap water is one of the best in the world :D Nevertheless, RO water and 1ml/l of the nutes will not cause the pH to drop to 4! During...

How exactly did the plants not react well to BioBizz? you are growing in soil right? I had the opposite experience, leaving Canna for BioBizz. I would recommend starting with half the amount (2.5ml/l). Any photos of your plants?