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105c is the highest rated junction temperature the LED can tolerate. That's pretty good since many are lower. At that temperature the life and luminescence of the LED will be reduced. Cooling is essential. A pizza pan doesn't have enough surface area to cool many LEDs. I don't remember the...

I can only speak from personal experience as far as the goodness of the whitecaps goes. If I had not tried it I probably would doubt it too. Under the scope its all trichomes and no chrolohpyll which makes for a pretty nice smoking experience. I actually don't get them much these days because...

I have! I like to call them 'white caps'. The bleaching is caused by the really intense deep red light (660nm). If you can, look at them under a scope. You will see that they are clusters of tightly packed trichomes. They smoke like super fine hash. Truly connoisseur grade.:eyesmoke:

G'day Mate! Since you're in Australia, check out this stuff. http://www.sandaproducts.com.au/sanda_products_003.htm I live in the US and I pay a premium for their Hydrofungicide. It was developed in Australia for use in hydroponics at the high temperatures you see there. For aeroponics...

1 teaspoon per gallon of the 29% H2O2 is what I use from clone/seed to harvest. It adds an extra oxygen molecule to the water which keeps the roots happily oxygenated. Makes for faster germination as well. Roots need and love oxygen.

You might consider this: http://www.ebay.com/itm/Thermally-Conductive-Adhesive-Glue-Thermal-Heatsink-BIG-/270717020058?pt=LH_DefaultDomain_0&hash=item3f07fde79a It's a silicone based adhesive which takes a few days to completely set. It seals the gap, transfers heat well and is removable. I...

Here is a picture of my veg tent. It measures 4' wide, 2' deep, 5' tall. I build these systems. You can too. The 5" fence post and caps are available at Lowes. You can make a res out of any number of totes. For 3 plants I recommend 10 gallons. In my state, as MM patients we're only...

I have used Hydroton clay pebbles and I have to say that they're hard to beat. Lately I have been using a combination of grow stones and polyester batting from the fabric store. After starting the seedlings or clones in Rapid Rooter plugs, I line a net pot with the batting and pack the rest of...

I do! I use GH CaliMagic from seedling through harvest but I also use RO water which has all of the minerals removed. I really like the CaliMagic because it's made from Magnesim Nitrate and Calcium Carbonate. Most other CalMag supplements use Magnesium Sulfate which isn't taken up and used as...

Bleach can work but it's not ideal because it's Sodium Hypochlorite. There are better forms of Chlorine, like pool shock (Calcium Hypochlorite) and Cloramines (Dutch Master Zone). They don't break down (offgas) as quickly as household bleach and don't load the plants with sodium. Calcium is...

Yes, there are solutions! First of all, bennies usually are problematic with aeroponics because there is really no medium for the biological processes to take place. Whatever you do, stay away from carbohydrates like Sweet or Carboload. They are made to nourish beneficial bacteria but will...

Sulfuric acid works better. You can get a quart of 35% at the auto parts store inexpensively. Just tell them you need to fill a dry motorcycle battery. Ph down in the form of phosphoric acid is still the best because the plants love Phosphorous. Sulfur and Chlorine are micro nutes while...

The kind of pool shock that works best in hydro is Calcium Hypochlorite, not Sodium dichlora-s-triazinetrione. The calcium is used by the plants where the sodium just poisons them. Some people, including me in the past, have succesfully used Pond Zyme which is enzymes that keep the rez clear...

I LST mine and also use a light mover. Using the mover has the added advantage of getting light more evenly distributed over the entire canopy. Since the canopy is even and the light keeps moving, I can keep it within an inch of the tops without any bleaching while getting the most out of...

Your system looks almost exactly like the first one I built! I have had great service with this type of system. One thing I did different on my later models is mounting my feeder manifold externally. I made that change after I had some sprayers plug up during the grow which cause all kinds of...

Hi GW, I don't know if General Hydroponics sells products in Australia. I like their powered nutes. They're cheap and effective. The one I use most is Maxi Bloom (5-15-14). To get a faster flower set and maximum bud growth I add in some of their Koolbloom (2-45-28 ripening supplement...

By now or in the next few days you should notice more development in the lower part of your plants which is the result of your defoliation. The trick as mentioned by SB is to only take mature leaves that block the light to lower leaves. Unless you over did it you should be real happy with your...

Hi Slinger, For a little over 3 years I have been growing exclusively with LED and I can report that it works to increase the density of the lower buds and improves yields. I use several LED light sources. About half of the LEDs have 60 degree lenses over them. The lensed LEDs are directly...

Hi Tags, Nice looking plants! Those Apache Tech lights are real proof that warm white leds are excellent for growing our favorite herb. I have been using led exclusively for a little over 3 years now and just recently started custom building my own. So far, the combo of 60% warm white, 20%...

440 is high for a starting point. If you can get the water tested you can determine what is in it. Some hard water is good for plants. It may contain calcium and magnesium in high levels which is good but it could also be high in other minerals which could be harmful. Just thinking you might...