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As I was reading your journal, I was worried the root rot would ruin things, but you made it through with a good solid harvest. Nicely done.

Exactly. The main causes of bacterial infection are hi water temps, light leaks, and using any organics in the rez. You need to be a fanatic about light leaks. No white lids or pipes. No gaps, etc. If in doubt, cover with foil. Keep water temps a low as possible. Do not put anything in your...

My opinion is that it is best to flood for the absolute minimum amount of time. The longer the roots are completely flooded, the less oxygen they get. The corollary to that is that you should leave them drained as long as possible - but - never let the roots dry out. How long you can leave...

Im voting for the temps first and the foil second, but either way, thats good news :)

There are already several recent threads addressing this question. Just do a quick search and it will save one of us re-typing it all out again :)

I dont see why not, but there are a couple of things to keep in mind. Normally H2o2 and chlorine both dissipate - more or less slowly depending on the amount of aeration - over that amount of time. So the concentration starts out hi and tapers off to almost nothing. I suspect you could get by...

Other than the low PH, the water looks pretty good actually. The only thing on that list even close to the upper limits is copper, and its still within range. Your EC is really low already, so using an RO filter wont help much if any. Looks perfectly good for hydro to me.

Roots can grow fast and will take up as much space as you give them. I wouldnt go less than a 5 gallon container unless your growing autos that tend to stay pretty small. On the other hand, I have filled my 55 gallon AA root chamber well over half full with roots from 3 large autos, so it can...

Ok, @jonnynobody , Im finally getting around to replying to your excellent post. Perlite is known for having millions of microscopic pores that hold moisture. The moisture in this case is from the nute mix in the bottom of your hempy bucket. How is it that only the roots are stained and the...

I'll get back to you later with a longer reply, but that isnt a large enough space for the roots.

I havent found anything that actually works, and is safe to use. Roots can get through anything other than open air. Copper is relatively safe to use in fresh water systems, but our nutes are salt based and will corrode the copper much faster. As far as I know, no one has tested buds for...

Im not sure how you would use a 4" PVC pipe to do LPA. I was going to ask some questions about that but didnt have time before, so fill me in on the details as you have it pictured. Normally you would see people using smaller PVC pipes to do NFT, although its usually 6" at a minimum. Ive seen...

I run currently AA aero and love it. Ive also done HPA, LPA, F/D, NFT, and Membrane Meniscus, and Hempy buckets. Pretty much every hydro technique except DWC in its various forms. I love AA aero, but its not for everyone. HPA is a close second but it is also not for the faint of heart. I have a...

Can you tell what the roots look like? Im terrible at diagnosing plant issues, especially when you have several different things showing at once - which you do. Ive seen several of those symptoms when I had root issues - damaged or infected, but there are other causes. Im seeing whats may be...

I am surprised your not having root blocking issues, but that is very good news. Sounds like you are getting it dialed in pretty well. Good luck with it!

Copper based paints have used in the boat industry as an antifouling paint to prevent marine growths on hulls for decades. But - the EPA is in the process of banning it. It has already been banned in several states, and in other countries. Parts of SanDiego Harbor were turned into a marine...

Dang it, now I am worn out and dont have the energy left to give you a proper come back. The short version is that you have proven my point for me, so I will just stop here :D LOL sorry, Im tired and stoned, but Im also mostly serious. Unfortunately, the details will have to wait.... I will...

Sorry to leave you hanging for so long. Life keeps happening and I get sidetracked easily these days. If you work in a any type of healthcare, my hats off to you, and I want to thank you for doing that. Thats a hi risk job these days and you are a hero. Thanks. You lucked out and happened to...

Roots blocking drains is a problem that exists for every hydro system that recirculates, and many DTW systems as well, so I dont see that as a down side. Its also no more complicated than those same recirculating systems, and simpler than some RDWC setups. I personally would be tempted to use a...

That is the definition of a contradiction in terms ;) There is no such things as a cheap - in the $10 range - PH tester that is accurate and lasts. They are never accurate, dont stay calibrated, and dont last. You need to spend at least into the $50 range for one that is accurate and will last...