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I use lab grade sensor probes, mostly from “Atlas Scientific”. It will give you the most accurate and reliable readings. The ORP sensor (know as the amperometric sensors) and EC (TDS/PPM) sensor, I strongly recommend buying quality probes from a reputable company. For a home grower, it’s easily...

Thanks this makes sense as I originally assumed. The high pressure aeroponics (aka true aeroponics) has no medium, the medium is 100% Air. A solenoid timer mists the roots useing a special misting nozzle which sprays nutrients around 50 microns at 80-100PSI. Which scientists says it is the best...

Much respect to OP for pulling it through, making his own automated dosing system with no coding experience. The willing to make automated systems from scratch is easier said than done, will be rewarding and a skill that will be utilized throughout life.

How does this compares with a re-circulating system? Where the plants are dosed with nutrients which is drained and pumped back to the reservoir. The reservoir has an ORP sensor to monitor the chlorine available to keep the reservoir tank sterile. This is for a high pressure aeroponics system.

Nice stuff you got going there. How do you manufacture your PCB boards, everything made by yourself or will be sent to a fab house? I took the liberty and bought like 6 different ESP32 chipsets from Aliexpress in bulk so that I always have a handful instock, the lowest priced ESP32 wroom chip...

$1,500 for discrete microcontroller parts is really questionable. I can build a fully custom reliable microcontroller board for less than $300 that will monitor, record and control: AC or DC lights, AC or DC water pumps, doings pumps, pH, TDS, temperature, humidity and etc. Obviously this...

I recommend to build your own control system or at least learn how to build one, you'll be glad since it will be useful throughout your life in all projects. You can easily and cheaply replace parts if needed. Best of all, you get 100% accurate outcomes you tried in achieving which is...

Growing Top Dawg's "NYC OG" on a HPA system.

Welcome to my grow journal, I first heard about high pressure aeroponics (HPA) or true aeroponics (TP) about a decade ago at a forum, it was like some mythical rocket science, sounded too true to be real. So few years past and took the liberty and to try it out, more of a research or "learning...

I bought Top Dawg seeds about 5 years ago, I think I paid around $200 for it. It was collecting dusts in its original sealed bag for 5 years... I never had the perfect situation to grow. Well I germinated them last week and planted one today. I'm really amazed already by it's germination phase...

You need to get the original clone cutting which is sold for thousands of dollars or get multiple packs of "regular seeds" possibly from "loud seeds" and grow all of them and find the potent plant, its the closest way you can get the original potent AJ sour diesel phenotype.

lol

You get what you pay for, these "expensive" breeders makes some of the best stuff on this planet. I bought "Top Dawg Seeds - NYC OG" for around $200 about 5 years ago, I didn't germinate it until now. Those seeds were sealed in it's original bag for 5 years and sprouted first in a week when...

I am skeptical about "Loud's" AJ Sour Diesel... you can only get the original sour diesel through clone or unless the breeder made feminized seeds. What is the smoke like, can you provide a report? Thanks.

shn is legit was worried about getting scammed but got my beans fast in few days. got 3 free seeds too.

ordered 3 different strains total of $450 got them fast in few days with original packaging. shn is legit! went through seedsherenow cause they had the strains i wanted. also got 3 free seeds.