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They don't decide to "go" herm, and it most certaintly isn't genetics. One way is the silver colloidal treatment of plants to make a fem seed, doesn't always work and can sometimes grow a herm. The only other way is to stress a plant out o the point it has no other options for survival, but to...

Very true...it is pointless. I suppose the only benefit would come from disrupting the water when the pump isn't on, which may prevent some algae in an otherwise stagnant tank.

I'm sure you remember Earl...the guy that many on rollitup regarded as the aero "genius"? He blindly suggested that a chiller was a requirement for growing aero...

Hmm...maybe the brand of nutes?....I mean one of my nutes is organic and it doesn't even cause algae growth...I've never had to to deal with a single issue in my rez (knock on wood). But I do remember way back when, when I first started with aero, and I saw everyone talking about the need for a...

And isn't the only purpose of a chiller in aero is to ward off algae....that makes me rethink there usefulness at all (I've always opposed them for the most part)

The easiest solution is your probably bringing it in from outside...

Those things feed the algae, but the algae bloom has to be introduced to your system from somewhere else.I suppose organic nutes could cause algae, but a chemical based fertilizer simply couldn't.

2 out of the 3 bottles of my fox farms nutes contain copper as 0.05% chelated copper for a total of .10% at any given time. I have also heard of using iodine, though I have no experience with plants...as we just used it in reservoirs in the military for potable water. I do know that a few years...

Yes, the Cl does dissipate from the water...but that's means your water is algae free when you put it in...so where is your algae coming from? Heat and light doesn't grow algae, you have to bring it in from somewhere. It's kind of like that old saying, go out in the cold barefoot and you will...

Good point...I did forget about well water users!! Perhaps copper sulfate would work...it is a natural algaecide...works wonders!

Me either...which is why I don't really see why people purchase chillers to keep temps down in the 60's. Also, the whole thing with white roots being a sign of good plant health. My roots are a dull white/brownish color the entire time they grow (granted I use some filtered organics in my aero...

I basically try to keep my temp the same temp the soil temp outside would be during the respective growing condition. So during veg, around 75 degrees (up to 80 sometimes), and flower I start to put frozen 2 liters in (I change them out twice a day) and it tends to stay around 70. I never have...

My rockwool is brown when I get it...perhaps the salts in the nutes are concentrating there and forming MgO, which is brownish in color. Or maybe it's leaching to it's natural color.

I don't keep moms either. Just the day before I flip to 12/12 I take the clone, and start rooting it in aero under t8's. If the clones start to get too big and it's not time to start another cycle, then I just clone the clone. Keep the lights low, and the nutes low, and they will grow very...

Don't get bigger net pots. That makes absolutely NO difference in hydro/aero. The plant can't become root bound, as they can grow uninhibited; thus, it isn't your net pot.I have grown them to 4.5' tall in 3" net pots. The most likely culprit is your 3/4 strength nutes. Looking at your last pic I...

Then clearly you don't know shit about supplemental co2 which can allow temps to over 100 degrees with adversely affecting cannabis. So, it's best to leave your name calling somewhere else.like I said 91 degrees isn't going to cause yellowing plants. You have fuckin ppl in this post saying that...

Your pics don't show a classic nute burn, but more of a micronutrient deficiency. Nute burn produces crispy edges that crumble when you rub them, and the tips of the leaves should curl under severaly. To me, it looks like you have a ph problem locking out your mg. You need to get a test kit so...

Did you calibrate the meter first? This can also happen with certain containers, it is some sort of electrical anomaly. A simple solution is to take a sample of the water in a GLASS container and test your liquids out of it. When you are finished you can just dump it back in. Try this and see if...

91 is NOT way to high, what is the outdoor temp where you live? How hot do you think the plants get that are grown in Hawaii or Jamaica (regarded as some of the best weed available)? Im not sure where you came up with your rational, but that is just bad advice. And as far as it being nute...

I'm with highpsi. This is exactly what I do, but first I soak the seeds in water for 24 hours. Then put them straight in the RW. I do tend to keep them in the dark until they have popped out of the RW, which is usually 2 days if soaked, or 4 if I don't. Also, Remember RW has an extremely high pH...