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Has anyone compared Orca grow film to Panda? I could only find one of it compared with diamond mylar: http://www.youtube.com/watch?v=2u0_BSDFaD4 They are saying their tech enables 98% reflectivity.

Nice grow UrbanAerO! There is one question I have and that is what is the type of enclosure you are using to house your roots? How deep is it?

That's some cRaZy gear!

I always thought that the increase in ppms was due to the uptake of water thus increasing the concentration of nutrients within the solution. Are you saying that as the plant desires an increase in P and K, it metabolizes it and then releases a form of waste P and K?

If the RH is high during lights off (65%) and 40% during lights on, would that create ideal conditions for PM and mold?

PetFlora, thanks for your answers. In the pic of the root mass on the left, what is that white stuff at the bottom of the pvc plant holder?

Motivations are personal and some are looked on in a better light than others. If I had a grower, I would want them to believe the above.

It looks to me like you have the plants in the shower stall yes? I think you could probably have better air circulation without wind burning the plants. A couple of things come to mind; if you create a mesh type table/shelfs so the plants were off the floor and have your fan underneath it...

If you are not a cash cropper, I'd make three rooms, two 5' x 5' for bloom and a work area/veg/clone room all along the long dimension of the big room. Flower out your mothers and just take clones from the vegging plants just as they go into bloom. You could build out the rooms like you did the...

Mother's Finest, have you (or anyone else) compared the effects of fish emulsion to the use of alfalfa or linseed meal?

Thanks for stopping by Bob Smith! I'm currently experimenting with an AACT (Actively Aerated Compost Tea) to work with vegan organic hydro folks. It's refreshing to be able to work in a manure-less environment - broad new territory of learning and experimentation. Most recent batch of...

Woot! Those are some pretty white roots! Are you taking the sterile rez or bennie rez route?

It's just like making tea or coffee. If you want a clear liquid you have to have a teabag (repurposed sock) or strainer. The tea is ready to use in 24hrs and you get a better diversity of micro organisms at 48hr, it seems to taper off after that unless you are more molasses.

Hard to believe nobody tried. Here's are some other testers out there: Quantofix teststrips LaMotte Soil Tester

As for me, I like choosing local when I can, conserving water by design, building my outside soil one 5 gal bucket at a time. I'm currently experimenting with an AACT to work with vegan organic hydro folks. It's refreshing to be able to work in a manure-less environment - broad new territory...

Jigfresh! Yes, I remember seeing your journal a while back, you had to improvise with extension cups in your holes right? I like your setup, I'm thinking of going another level when I get another patient to grow for. Although my main pump and jets provide good recirculation, I'll be adding...

Thanks for the pics, Petflora! Nice writeup, pretty informative and I like the novel 'net pots'. I have a couple of questions. Is that a 3/8" water line that you have running in your system of 1/4"? Where the water line enters the tubs, is that simply a grommet or is it a fitting? Do you have...

You're blessed, Oregon would be an awesome place to grow up!

Most times an anonymous tip starts an investigation.

Nice vid Mike, how did you create the bottom of those 'pots'? Crimsonangel, if this is your only grow, you should consider having a backup form of nutrient delivery. I experimented with a fogger in a LPA and found it to helpful in stimulating the tiny lateral hairs on roots. However, my fogger...