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Those are some stretchy plants! But cool to see that they do "work" I guess. I would not be vegging with anything less than 400umol a plant, and at least 650umol for flower.

Amazing. Thank you for all of the details. Much appreciated. Below are two pics of her. First is a few days ago when she was sick. Second is her today on the road to recovery.

So, I yanked the bulb apart, and this is literally all it is: I'm thinking I'm going to tear them all down completely, make them into a fixture and wire them up. I have soldering experience, but any ideas for how I should daisy these and power it all safely?

Now that I have the 16w bulbs back in there I may take some time and pull apart one of those blurples to take a peak see. I think you are correct as well. The blurples are non-dimmable, however; the 2700K and 3000K units are dimmable.

It's a 3x3 tent. I plan to do a one or two plant perpetual DWC grow. The more research I do I'm leaning towards the Spiderfarmer or the Mars TS1000 due to the driver. I'm also tempted to look at CMH now that they are so cheap. A good vertical setup can be had for $250.

Update 2: They gone. I came home to check on her tonight and o noticed that the lights just didn't "look" as bright. So, I thought I'd pull out my light meter... 3200 lux at the exact same distance as yesterday. I have swapped the 7 x 16w 3000K bulbs back in and raised it up to 18" exactly...

Vertical bulb allows you to get the light much closer to the plant, usually 16-18". Whereas with the the horizontal fixtures you have to keep them further away from the canopy. The Vivosun is best kept at 24". In other words, you get more room with the vertical orientation.

Have you given it any nutrients? If so, I'd so yes, it look alike nute burn to me.

Update: I definitely think it was light stress. I have completely changed out the lighting for a DIY blurple 60w setup. She is bouncing back with avengence! New root growth looks whiter and almost frosty! PPM I try to keep around 400 until she is stronger. As I said before my tap water is...

100% male. Spade shaped preflowers.

Dollarama. Located in the US and Canada. Green, with yellow writing.

Update: So, after doing some light meter testing, and seeing the plant "like" them, I decided to switch the entire splitter over to 7 of these. 9 x 7 = 56w draw It is putting out roughly 9200 lux, so maybe 500umol give or take?! Not bad for veg!

Technically they were $3 USD.

Generally, I smoke an Oz a month. There are times when I consume slightly more, but that is a good measure for the most part. I'm a functional user. I work a full time office job and wear a suit most days. I would say that not one person I work with knows that I use. My family knows and does...

Awesome! Once they are in flower I'm going to be using a Mars TS600, but for veg and future micros I'm very impressed with the screw in LEDs and will continue to use them. I had 7 x 16w (A21 size) 2700K and 3000K bulbs and it was too much light for one plant. I had it much too close and...

Looks great! No sign of the preflowers on the front ones? Usually you can tell 6-7 weeks from seed.

Thanks fellas. I think I'll switch back to destilled water at this point. It eliminates a lot the fluctuations it seems. I will be sure to do CalMag first, but for those interested I've done really low doses. More of an extra just in case. I've been adding 1/4 tsp per 2.5 gal. I also got rid...

Completely strain dependent. Northern Lights is a good one, or Papaya. Very low odour and super small growing. In all honesty, if you spend a few bucks just make yourself a USB fan based carbon filter DIY style. Super cheap and works wonders!

So, while venturing the isles of the local dollarstore I came across these babies! Now, I know they are only 9w but, but used in conjunction with other lighting, or by itself in multiples, it seems like a a viable option for those on a budget! I cracked them open to see what was inside, it...

I currently have 7 x 16w (true) A21 screw in bulbs into a 7 way splitter. See pic for details. I had the light 8-10" away for a while because the plant seemed to like it, but since having issues I've moved it up to 16". It is on a 24hr cycle. I may consider giving it some rest and switching...