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+1. Sounds like an oversight. Im pretty sure they are genetically required to flower in 12 hours of dark...unless it's an auto of course.

Those are lookin nice hellraizer. Im at day 30 on a 50ish day strain and they havent started chunking up yet. How high are your lights from the tops of the plants? They look pretty far for sealed lights, but maybe the pic is deceiving...?

The pumps are probably less than 1 amp.

I am fully aware of the benefits of adding carbohydrates to a SOIL, but it has nothing to do with the plants taking up the sugars. They make a great food for microbes, which in turn help make more nutrients available to the plant. I thought the idea behind flushing was to get more nutes OUT of...

Why would you want to add sugar to your res? Are you baking cookies or growing pot?

That's a big number considering the size of the pic! I think he needs to see a 1600 x 1200 version before that many zeros get tossed around! =) On a side note....where did you get those fertilizer totes kitty? Are those the 5gal size from HN with the spigot included? I buy the 2.5gal GH...

Thank you sir. This strain is new to me (Grape Stomper aka Sour Grapes). The Hash Plant in the genetics is really showing thru. I cant remember seeing frost like this at 21 days....even the damn stems have trichs all over 'em!

Here are my girls @ just over 3 weeks 12/12 in the Ebb & Gro. What a great system so far. Very easy to maintain, and the plants love it!

Considering the size of my plants (~3ft tall), the light spacing (4'x4' center to center), and the wattage (1000w x 4), should I raise them, lower them, or keep them the same?

I clone in an aero cloner, then move the babies to a 3x3 flood table in their own 6" net pot with hydroton. When ready i just drop the net pot in the ebb & grow, backfill with the 'ton, and away we go.

My PPM has stayed consistent from day to day. It only drops when I add water back to top off. I am just not going to top off now.

Excellent. I had that little voice in the back of my head telling me to follow the label rates...not sure why I thought this guy Lucas knows better than the scientists at GH. =/ So basically it is okay to let the res drop over time as long as a) there is enough volume to complete a flood, and...

Al....... Thanks for all your knowledge over your countless posts. I am usually more of the trolling type, but every now and then a question pops up that I can't find a straight answer to. I am very well versed in plant physiology and soil culture, but I am new to the hydro scene. I am still...

What EC does that 900ppm reading come out to be? Because for me, 1300ppms would be about a 2.5 EC, and 900 ppms would be just under 2 (conversion factor of 500). On the Lucas formula, when I add 8ml/gal of Micro and 16ml/gal of Bloom it lands me at 1040ppm or an EC just over 2. My tapwater is...

So are you just topping off with water, or are you adding nutes + water?

What kind of water use rates is everyone seeing with this system? I am having to add damn near 5 gallons of H2O per day for a 16 bucket grow that was flipped to 12/12 a week ago. If you follow the Lucas rule of draining and refilling your res once you have added back 50% of your starting...

I can understand why people would want beneficials in soil, but not in a hydro system....at least not a hydro system with skinny tubes and dark buckets with lots of crevices for shit to grow in. If you are THAT concerned with a microherd, then this system is probably not for you.

True. My main concern would be sodium/chlorine accumulation though. But if it works, it works. Wasn't trying to be insulting, just observing. Moving on.

Are you on an 18/6 lighting right now? I have an Ebb & Gro setup with hydroton, and I flooded twice per light cycle...once 30 minutes after lights on, and again 9 hours later. I had some roughed up bareroot clones, and it took them about 10 days to snap out of it and start growing. You can...

I can understand how a complete and total lack of chemistry knowledge would lead you to that conclusion. Get your notepad out. Lets take a look at the two molecules involved here. Sodium hypochlorite (chlorine bleach) is NaClO. In water, it partially splits into Na+ and ClO- (hypochlorite...