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Some of my clones are pretty dense and I was thinking of using CFL's under the canopy, has that been successful for you? I was thinking one 100w CFL in between 4 plants. There was a guy posting a $950 LED system on here and I was thinking about using that as supplemental light for my HPS? The...

When I installed mine I was directed to run 2 or 3 (can't remember exactly) tank fulls to clean out the system. If you can post pics I can compare it to my installation.

I am pretty sure that bricks are just dried clay? I am just talking about doing this during veg and the first 2 weeks of flower when the plants are hardly using any of the water nutrient mix.

I noticed that a lot of my nutrient solution early in veg and flower is wasted. I grow in individual buckets and was thinking that adding bricks in the water wouldn't require me to use as much nutrient solution. As bricks cost like $.25 each I could see this as saving quite a bit on nutrients...

Thanks guys! Knowing what people are using them for makes me feel a lot safer than just some random review!

2nd BUMP...Anyone...PLEASE!

Does anyone know how much CO2 is in the air without adding additional CO2 through a CO2 generator or a CO2 bottle? I have read that 1500 to 2000 ppm is optimal, is this correct? What are the benefits I can expect from adding a CO2 generator to my grow room? When installing a CO2...

BUMP...Anyone?

Does anyone have a dehumidifier they can recommend for a 350 sqft room? I have seen some online but most don't have very good reviews. As always your help is greatly appreciated!

Thanks to everyone for replying. dhhbomb...I called C.A.P. and they didn't even hesitate, they told me to send it back and they would send another one out. GREAT CUSTOMER SERVICE! Their guy did say I was the first to call with this problem so he thought was might be that particular unit...

Has anyone had problems with their digital ballast interfering with their wireless modem? If so were you able to figure out how to fix it? I have a CAP NextGen digital ballast and it is killing my signal, wireless and connected directly into the modem. The ballast is about 40 feet away...

I am currently under attack for thrips. My leaves look very similar. You will see very small (half the thickness of sewing thread) off white little fuckers moving on your leaves. Look at the top of and underneath the leaf. If you see them, go get some neem oil and follow the directions. You can...

When people talk about plants they say that "this plant is an f2" it has something to do with how many times the plant has been bred. Also, I have read people talking about back-crossing? This is all talked about in the context of the genetic makeup/history of a plant.

Can anyone explain or direct me to a link that explains what an f1 and s1 is? On the SOMA seeds website he says in the pricing section Regular/G13 Haze. What does the G13 Haze mean in the description? I am still learning so please be gentle!

Thanks man! I am still new enough to growing that ANY difference really freaks me out. They are getting the exact same nutes and light. The difference in color is pretty drastic.

Can anyone tell me if the yellowing shown is because of the difference in phenotypes of the plant. In the pictures you can see the 2 different phenos I got from the seeds. 1 is dark green and the other is yellowing. These are white widow seeds I got from amsterdammarijuanaseeds.com [/ATTACH]...

How did everything turn out?

Illegal Smile - on your tag line what does "keep the bubbles ... lose the tubes" mean?

I am using Gen. Hydro. (3 part) and Botanicare supplements at their recommended full strength. It just seems like the plants are eating them up with no signs of over fert. If increasing the nutrient strength will increase potency and weight then it seems like the extra cost of the extra...

Maybe I didn't pose the question correctly. My plants are perfectly healthy now, I was wondering if adding a higher concentration of nutrients will increase yield and potency.