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And the driver circuitry and design. A 1k hps lamp will produce about the same amount of btu as 1kw in led. However most led packages will produce more visible light than something like traditional hid or tungsten filiment for the same amount of current use. That's the whole premise behind led...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4317640/ Just thought I'd drop this in to reiterate that it's really only used to shield against poor conditions. It's not going to improve thc production directly and instead of hoping this snake oil cure fixes all that ails your room you should...

I may be wrong but do you submerge the roots in low pressure aero? Isn't the point to mist the root zone and have it run off to a recirc res.

My guys carry everything you'd need at probably 35% over Amazon cost. So if it's a real need I go see them otherwise I get everything delivered. I bought like 100 liters 4 or 5 years ago and still have 20 liters

My shop only sells by the 50liter bag

It will likely be just fine. They can take a beating when they are young

Everything looks and sounds fine to me. It'll heal up no prob keep it moving. Those are going to be some good sized ladies soon

Anything but a mars light is my opinion Also a watt is a watt. It doesn't matter it's a led or an hid. Watt is just a unit to measure energy transfer. In our case heat from the resistance of electronics. Be it circuitry or filaments

So are you doing a dwc grow and an aero box?

Lol at all these people hating on the paper towel method. I've been doing it for a decade. It works fine. I've only ever had 4 seeds not germ and it was a batch I had ordered a few years before. So I know they were old. It's possible you just had bad seeds

Lol did your sample get lost? If you pay shipping they give you a 230 gram sample

I use it. It's easy and works well and is stable with my well water.my only gripe is the spoon I use to measure it always grabs the humidity from the air and gets all brown and sticky. First world problems I know.

You use the feed charts to give you proportions. After your first couple fills you'll get the hang of ball park. For instance if I remember right with gh flora the micro at 75ml per 10 gal only added 350 ppm where the bloom at 25 ml per 10 gal added 500 ppm. Numbers are not to reflect reality...

Sounds like you should calibrate your meter

What are you talking about?

I'm going to say nope.

No. No I haven't..

I feel like I'm being pitched a new vacuum cleaner or something. I've got no need for more bottles or bags of crap to mix in.

It's fine. I usually pinch the tip off with my finger. I k kw where those things have been and it's never gotten infected

Better question is who of us is even remotely qualified to answer the poll with anything other than anecdotal opinion