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Bro, your roots are covered in slime and you have zero new root growth. I've provided you the solution to your problem multiple times. H2O2 is not going to do anything, I explained why in my previous posts. Also you are running Flora Nova which has ORGANICS in it, so you are basically...

Green is ground. Side note, I went and got the humidity sensor and connected it to the Rasp Pi. Just got to figure out how to hook up a fan and I should have a working box. What material do you think would be the best to make i out of. I'm worried wood will leach moisture and release it as...

From my understanding you use something like this to get close to your Boveda pack RH and then store with Boveda packs for longer curing. If they only have to work a little bit they last way longer, from what their site says.

How do you connect the switch to the fan? If you make it can you update this thread, very interested.

I'm not a hardware guy but I'm sure tons of people in the rasp pi community will help you. The concept is really simple. The pins of the sensor correspond to Input, Output, Power, etc. You just got to "plug" into the corresponding hole on the board and you should be able to get a signal. The...

My concern with the ones you are looking at is whether the BNC cables and probes can be fully submerged. If not you might just be trading one problem for another. These guys make fully submersible pH probe for $75. Probably fits with the blue device you linked. they have a PPM one but its...

Hey, give me a day or two to get you some links. The hard part would be the connecting the breadboard to the sensor. They say in the video what sensor they use. https://www.arrow.com/en/products/hih-4021-002/honeywell?gclid=CI2Fvcmv_M4CFY4AaQodid8CJg I think here is a tut on how to connect it...

Swab the underside of your bucket lid and touch it to a petri dish. I'll wait.

From the post you linked: I use calcium hypochlorite, in the form of pool shock. Its extremely cheap and easy to find. I make a liquid batch so that 1 ml when added to a gallon of water will equal 1 ppm chlorine. According to Clorox website for clorox to sanitize it needs to be at 200ppm...

Did you even read what you posted. It says exactly what I said, unless you have a OPR meter there is no point. Also if you really think the little bit h2o2 and bleach you are putting in your bleach is doing anything you have no concept of microbes. that is not an opinion. To be sterile things...

Gonna keep my eye on this, just bought some DNA Holy Grail seeds a few days ago.

While some commercial growers might use minute amounts of bleach unless you have a meter for it there is no point. As I said before too, there is no such thing as a sterile REZ. Anyone who tells you they run a sterile rez either means non organic nutes or they are confused. Adding h2o2 or bleach...

This could be achieved with a raspbery pi, humidity sensor, computer fan, and a weekend of work i bet.

Get the tinfoil off of there too, it's only making it hotter. Grab mylar if you want to have reflection or black tape/black trashbags if you are trying to do it on the cheap. You should be able to hold a flashlight to the side of the wall and not be able to see it inside.

BRO! Brew some tea IMMEDIATELY! DO NOT ADD H2O2 or BLEACH (lol) to your rez. H2O2 will react with any organic matter. While this will kill any slime or sludge you have now the chemical reaction will destroy already week roots, cause them to die. Dead roots = more sludge, it will be a negative...

Changing your REZ weekly is a minimum! in later stages I change every 3-4 days if it's drinking a lot. You have no idea what nutrients you plants have used and topping up can only cause further imbalance. If in the final phase of flowering you can't go above 800 something is wrong. Last few...

I love when people say "science shows"... Sure lower temps allow more DO but a plant only needs so much (7-10mg/L) in hydro. Even at 25c ~ 77F the DO is 8.6 which basically smack dab in the middle of range. I know lettuce and cannabis are different plants completely but here is a quick...

Hey bro, don't worry about adding water bottles its does nothing and only potentially adds more contams from your freezer (full of food). I run my rez at 75F with no problems, keeping it cool has more to do with DO than contams. Also I'd elevate the airpump above the tub. If your power goes out...

Just add airstone to grow bucket and rez and then set the pump on a timer, like 1min on /15min. would generate very little heat and allow you to controll ppm/ph from outside the scrog area.

I don't normally use rockwool but if you germed them all and they popped I'd wait longer on those others ones before tossing them. make sure they are moist enough. I put my seedlings in my system as soon as the tap root comes out the bottom of my starting medium (rockwool, plug, etc). You...