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+1 on using an ethernet shield. I have a custom watering system using an Arduino MEGA with the shield -- i control it and receive data with simple JSON commands from a different machine. Keeps the arduiono loop nice and tight and simple and other computer does all the heavy lifting.

I'm using one of these to get 2 feet of movement in a long room: http://www.progressiveautomations.com/mini-linear-actuator?gclid=CjwKEAjw3sKpBRDJ7rDqzsyuhDASJACZAikitLBfg7niGV08y4pkJ8JreWRHpG3njrb54kbLghOR3RoCmuXw_wcB Worth it or waste of time?

I find myself with an excess of CXA3070's that I will let go for a good price. PM me for details. They are AD bin (top bin available right now). thanks!

AD bin puts out 9000 lumens vs 8500 for AB. So they are about 5-6% more efficient than the CXA3070 AB's. The CXB runs at a slightly lower voltage, so the CXB AB is probably close to the CXA AD and the CXB AD would be a bit more efficient than the CXA I have.

thanks! The tech just keeps marching on :-) I have more than I need, so if anyone needs some drop me a PM.

Newark. Here's what I have.

3K CXA3070's AD bin.

I have some CXA3070AB's available (AD bin) PM me if interested.

you think a lens would be a better option instead of some sort of reflector? I like the focus idea, but more glass in the light path is a loss too. Might be time for a test :-)

Supra, do you have the spreadsheet that shows a 3070AB vs whatever the top bin 3590 at 3000K would look like? That would be great if you could post that. Building a flower room and need to make a decision soon :-)

That is an awesome find! Are you planning to flower and veg with these? I guess 3500K would be a good compromise for both.

Love your CXA3070 thread -- I finally read all 134 pages. One of the most on-topic and useful threads I've seen on any site. Have you made any progress on using 3070's for video lights? I think I remember you saying something about that. I'm thinking about high-CRI lights myself for video...

I'm targeting 4 to 5 ft -- around 8 plants with mainlining to 8 colas each. Following this grow journal for my first bubbleponics (been doing soil/coco so far): http://www.growweedeasy.com/600w-dwc-cannabis-grow-journal

room size is 6x8. Currently running 2 1000's. Thinking about going to three 600's for efficiency (and reduced electric footprint). Bubbleponics all the way. Thoughts?

thanks for the tips! I'm using .9999 wire I bought, and a 9Volt DC transformer. Maybe not enough voltage?

Thanks for the tip -- I'm definitely not trying to save a buck, it's already been a large investment. All the journals and guides I have read use silver. Whats in Tiresias?

Hey guys! I have 3 strains (AK47, Maui Waui and an unknown) -- I've been trying to make feminized seeds out of each. So far it has been a fail. The first set of plants got silvered for over 40 days and only one of the three showed any signs of balls (and they were pretty small). This group...

Cool, I will give that a try.

I'm generating silver using a generator with distilled water and 4-9's silver -- I can't seem to get past 18PPM. Everything I've read says you should have 40-50PPM. Anyone have experience with this?