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Hahaha Disneyland Math! That shit made my day :clap: I'm also tired of seeing math equations that are (sometimes educated) guesses at PPF, let alone what PPFD actually is.

Questionable indeed.

There is quite a difference between electronically controlled ballasts and old school coil ballasts, marketing or not. Their bulbs are especially finicky with other brand ballasts. No clue about the ceramic, but I would imagine it behaves much like the 600 BLUE which is choosy about which...

From Hortilux website... *Ceramic HPS should only be operated on EYE HORTILUX Gold Series eBallast. **Do not use on Magnetic Core & Coil ballasts. ***During start up, Ceramic HPS take 20 minutes to produce white light and get to full power http://eyehortilux.com/products/ceramic-hps.aspx

Creeper...

So.......... Was there a point to that extremely long-winded post??

Dakini Kush day 46. 3500K Vero 29

This comes to mind...

@nevergoodenuf I look forward to seeing your results under ther high CRI chips... Something I've been wanting to test out for some time.

Assuming we are comparing the SPD's that were just posted...

I think an equal flux side by side of high and low CRI would be pretty interesting. I'd be curious if there would be noticeable growth differences.

You sure about that? Hortilux Metal Halide

Where is everybody getting these sweet junction boxes?

http://www.dgsims.com.cn

I just placed an order for 52 heat sinks from Alibaba. 133mm Pin Fin, pre-drilled/tapped to my specs for about $12.50 each including shipping. The shipping is a little pricey, but the extraordinarily cheap manufacturing costs make up for it. My sinks are $8.90 ea before shipping.

^^^ I guess he is choosy who he does business with.. I sent him a personal message about a week ago inquiring about reflectors that he sells, since his website says out of stock....... Nada Maybe try contacting @robincnn from Northern Grow Lights.. He is very prompt with great customer service...

Oh yes. I'm well aware of Cree's test data :mrgreen: I was just curious where the links were going to come from to back his bogus theories...