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Ok here it is I have a PC case the floor is 7 1/4" deep and 15.25" wide the ceiling is 17.5"...I ran a test with 78W of CFL lamps in it... Temp is running at 76 to 80F over a 10 hour stretch with an ambient temp of 72F... The temp went down as the day turned to night... I am going to do a test...

I am going to do a test in the next few days with some additional lamps just incase the 3 each 26w CFL lamps dont cut it... I read somewhere on here or in the Growers Bible that you need about 5000 lumens per sq ft... with this set up I will have 6500K @ 4800 lumens per sq ft during veg and...

OK I have had the case running with 78W of 6500K CFL lamps that is actual wattage for about 6 hours... the ambient tempature is 72 to 74 F in the house and the inside of the case is hovering at 78.6 to 80.0 F... what you all think is this a stable enough environment for growing in??? I have...

is the temp at the plant cool?? you have a fan blowing on it?? Dragger...

keep in mind that the volcano caused a weeks worth of air travel to be canceled also so you may be getting your seeds just late cause the planes were grounded... Dragger...

I am in the states but my mother is 100% british from Coventry.... The magnets will have no adverse effect on the power strip as long as the back of the power strip is closed up completely and you are not attaching them to any part that would carry current or have voltage applied to it... I got...

Well I got a little more finished on the case last night... I installed 2 80mm exhaust fans and a 120mm intake fan they are running at about 75% as they are 12vdc fans running on 9.5vdc... this 75% is only an estimate... Cool air from outside is brought in on the lower left side and the warm air...

LOL the wiring will be going in the rear of the case... those photos were just to show the ability of the magnetic light strip... I have a long way to go until the case is where I want it... Dragger...

I have about a dozen more of the magnets... I am thinging about makeing some single magnetic lamp cords to put in the case too... I got the fans today so I will be making ducting for them in the next few days... more to follow on this PC case build... Dragger...

put a piece of sacrificial wood under the lid to help stiffen up the area the hole is to be cut... Dragger...

yup Blaze is correct a Holesaw with a 2" outside measurement...

if you have 1w in led consumption and a 1w resistor dropping the voltage the resistor will heat up as the heat in the resistor rises the resistance will also rise... I would over size the resistor with say a 3w... if you have lets say a bank of 4 LEDs in series and one LED was to fail the other...

if you look at your panel say down the left side the first breaker is on A phase and the next is on B phase and the next is on A phase and so on... its the same for the other side of the panel too... you want to make sure you have the same amount of amps on both phases that will balance it out...

90w is as follows: 1.620 Kwh for 18 hours a day 1.080 kwh for 12 hours a day figure out your Kwh charge on your power bill and then follow this formula Kwh consumed X Kwh Charge X days in the month = Monthly cost of operation... Dragger... Check out this site...

Hey if you were to use a fixture with a 240V primary winding on your ballast your power consumption would be less... Balance your load in your panel can help as an unbalanced load can cause power factor issues... I was in the Air Force working as a Lineman for 21 years... And your power company...

Check out this site man they have an LED circuit calculator... you may be able to get your power consumption way down... http://led.linear1.org/led.wiz Dragger...

Forgot to tell you that Quartz lamps get VERYVERYVERY hot I would not use this to grow with and if you get and body oils on the lamp while installing it into the fixture it will not last very long as the oil will cause a hot spot and kill hte lamp... Dragger

the above lamp is a quartz lamp not a MH

check the information on the lamp you have at Grainger.com you can find out Lumens and other information on their site... Dragger

I have a few different wattage lamps for the box I plan on 3 each 26w 2700K 1750 lumen 1 each 23w 6500k 900 lumen lamps for flowering and 4 each 23w 6500K 900 lumen lamps for veg... I am waiting on my other 3 fans so I can duct the ventilation system.. There is be one fan for circulation also...