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that could work as long as the line is horizontal and not vertical in that the nozzle has to fight 20 feet of gravity... ;)

Sounds great, would like to see the differences in spray- plus now you have all you need to make an hp cloner off mains pressure ;)...

Mikey- r u still uing the Dyna? It's ph is super stable if you use the Pro-tekt silica with it in proper amounts. Use near equal amounts of silica and gro (maybe just slightly more gro and basically use your silica/gro balance to achieve the perfect ph as opposed to using ph+ and ph-) and you...

Just wanted to post the link to this NASA PDF on their style of aero... http://www.nasa.gov/pdf/164449main_spinoff_06.pdf (PAGE 64) I've been pondering trying that Beyond stuff from Agrihouse/Bio-Controls in my aero and will probably give it a shot soon, especially after reading this...

That's a beautiful CPU cooler! Love the fanless design apparently using Boyle's pV=k ...

Subbed... You can measure your nozzle's performance by spraying for a set amount of time, such as exactly 10 seconds... Spray into a large plastic bag so you can get an idea of how much air is in it, and also measure the liquid in the bottom after it condenses. Divide whatever amounts you...

A hole and a pin is a hole and a pin I'd tend to think... The difference in flowrate is likely due to being tested at different pressures (higher pressure=higher flowrate at same orifice size), so if you could get the exact same orifice diameter in these ss ones, they'd probably be a damn...

These nozzles have been available on Alibaba.com for a long time for even cheaper - and are probably where this person got them from. The issue was waiting forever for them to be shipped from China, and arranging payment. I bet they actually are the Bete nozzles directly from the plant that...

The biocontrol nozzles are impingement style- as in they have a larger orifice less prone to clogging, but stream a short distance to impale itself on a "impingement pin" that causes the water to fan out and break up. They have the correct droplet size (actually a bit bigger than cloudtops) and...

Nuttin wrong with starting off LP- jut remember you'll have to "unlearn" alot of your mentality once going to hp... ;) Great plans, and nice illustrations- very professional and detailed... You'll definitely have to give your hp roots a cleaning, but more like once per week (you'll be able to...

Hey localhero- yes the silkscreen is excellent for keeping the roots out of the effluent. Also, you can have your bottom with good slope and a water-beading material such as plastic, and it works almost better according to tree farmers experiences, so my new chamber design will be this way...

My medium is air... Can't get much cheaper than that! Chuckle... ;) But I agree, rockwool can be good, but you have to have a little experience with it and find the better brands that don't hold so much water such as B'Cuzz or Cultilene... i got lava cinder rocks everywhere around me here-...

I've always hated florescent lighting (I can see the flickering and it gives me migraines), now I think I'm glad I am still sporting my G.E. Reveal bulbs (beautiful color light without the yellow dingy-ness) and I plan to until the led's finally get nice and bright enough... Lighting is really...

No checkvalve if you want the full hp roots- it's more than just drip control as I will explain... The best way is to have a solenoid per nozzle, and the solenoid as close to nozzle as possible. It is a bit of an investment, however, you cannot likely achieve hp-roots without this as the...

Do you have any rootshots so I can make sure we are on the same page, as full-on hp roots are tough to achieve for most people until they understand hat they are doing and what to look for... Once you have em, the root surface area is enhanced thousands of times and a non linear (not thousands...

If you look at a ph nutrient availability chart, I believe 5.8ph allows all of the nutrients to be available. Sometimes a slightly fluctuating ph helps rotate some into availability and some out, but when having a set ph such as dtw, for hydro and aero, 5.8 is pretty much the target. In soils...

Nuggly... you have all the components to have full hp roots ... However yours are falling short and I can make a recommendation you will come to appreciate... Your root chambers are too small and overcrowded. That's why your roots aren't white and fuzzy and your using much more water...

Hey nuggly- glad the info has been helpful to you. The formula is just a guideline for people to start to understand how efficient hpa is and approximate their build design from but as always- reading your plants is king. As long as your roots have the hairs then they should be enjoying all the...

lol... The credit goes to tree farmer and Atomizer... Pretty much taught me everything I know on the subject, and they are definitely the mentors here... I just happened to be seeking the best way to do this stuff, and consistently they seem to have the answers I was looking for... I didn't...

That article is filled with misinfo IMO. He is obviously not running true HPA- or he would have fried his plants after 1000 ppm surely... Plus we use DTW, much better again IMO... I have been real busy in personal life, but I can report things are doing very well and my life is much better...