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I would still need fresh air that often?? How do people set up completely sealed rooms then?

Hi folks, I have a questions about those portable A/C units, the ones that have two ducts (intake & exhaust) to the window. What I'm wondering is, do they exhaust the air from inside your room? Or do they only exhaust the air that they bring in from outside? The reasons I am asking: 1. I want...

If you skip the vertical and stay horizontal, you can have the water return to the res using gravity. Have your "table" above the height of the res, slope it a little, and use a bulkhead union on the low corner to let it drip back into the res.

The foggers that people will tell you to stay away from are the ultrasonic foggers if i'm not mistaken. Lots of decent high-pressure aero info here and here. I think you might want to think about an external reservoir rather than making the bottom of your aero chamber your res. As far as...

This is the right forum. I can't say what is optimal, but I can say this: If you take your cuttings from vigorously growing donors, put them above the water line (not submerged) in your bubble closer, and keep the temps at 80-82 f you will get roots in 7 - 10 days. Yes there is always drips...

I am doing my first flush, and didn't adjust the ph. I theorized that the nutrient that would get dumped back into the res would drop the ph substantially, and I was bang on. I drained the res and filled with filtered water (Mr. Clean Autodry). 48 hours later the ph was 5.4! So I drained and...

Well, since this thread sort of became a one-stop shop for HP-aero, can anyone comment on how to flush in this type of system? The tiny droplet size sprayed at high pressure seems ideal for jamming lotsa nutes into roots, but doesn't strike me as the best for flushing. What is the way to flush...

I didn't mean any offense, in fact I tried quite hard to be as inoffensive as possible, as I knew that might tough a nerve. That is why elsewhere in the thread I used the terms HP-aero and LP-aero (for High Pressure and Low Pressure). I'm not the one that came up with the moniker "true...

ok ok So the droplets are going to suck the oxygen out of my rootzone chamber, and jam it into my roots. But what happens after a couple of misting cycles, when there's no more oxygen in my rootzone chamber? Will bubbling in lots of oxygen IN THE RES increase the amount of oxygen in the...

I don't think he meant that it isn't 100% water, just that it is a very very small amount of water. Personally, coming from DWC, I am thinking along the same lines, but to be honest I have never grown true aero before, and Atomizer has been doing so for quite some time, so I'm happy to hear...

I figured controlling the water temperature was the only way to control the root zone temperature, how else would you control it? My thinking was, the box is insulated (extruded polystyrene board), so 68F water = 68F root zone. Am I not on the right track as to how to control the root zone...

Confirmed, this was a calcium deficiency. Corrected with 200mL of CalMag in 20 gallon tub.

Hi folks, Just wondering if anyone is using a medical oxygen concentrator to crank up the O2 in their reservoir? I was thinking of maybe getting one, and putting in near my fresh air intake, and directing the output over to where my air pumps are. That way you extract the oxygen from the...

Now regarding getting oxygen to the roots. My idea was to keep the water nice and cool to maximize it's capacity to retain dissolved oxygen. On the old Pod Racer threads I was reading, they actually have some way of ventilating the root zone that I couldn't grasp. Anyone have any thoughts on...

Ok, my account is activated on ICMag, but unfortunately I can't find that thread. Anyways, my point was that IMO it's better to have fewer distinct pieces, in that it makes it easier to have backup parts. Like if all I have is the pump, then I just need a spare pump. But if one had a pump...

My point exactly. We can't talk about how expensive high-pressure aero is unless we do an apples to apples comparison. Atomizer, I'm obviously just in the research stages and so in no position to give you pointers as you are already successfully growing, but one of the reasons I was trying to...

I will say from experience that if you're going BIG, I would stay away from DWC. Too many tubs to check and maintain, too much water, too much nutes. If you need to cool your res, you can't because there's so many of them. I'm moving from DWC to aero.

Atomizer, a couple of questions about your setup: 1. do you run a single filter for the whole system, or individual nozzle filters? 2. do you have air pump + stones oxygenating your res?

I have already outlined in this thread, how you can have a back up pump. You have two pumps, each driving 1/2 your nozzles. Inside the box, instead of having one manifold, you have two manifolds. BUT you have both covering the entire box. So if you lose a pump, you're not dead in the water...

As promised, here's the last answer on the droplet size for these nozzles, this one from Stephen at cloudtops (super helpful guy): "the mfg has never been able to supply droplet size data. Ive asked on multiple occasions throughout the years and as recently as a couple of weeks ago. They are...