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Hey Sadista, hopefully I can help out and further this grow room to the next level. To begin, the first consideration will be making sure that you have access to the flowering room without exposing them to the light of veg. In short, flowering plants CANNOT be exposed to light during their dark...

Hey Newbie! Glad to be of service, but lets get down to business :). To answer your first question about ventilation, lighting has come along way in the past few years offering people the possibility for commercial lighting solutions. One such advance is air cooled hoods which allow you to run...

Hey Caligirl, the advice that I would give is based off of the type of system you are using. Judging from your use of rockwool, it sounds like an ebb and grow/flow. What size do you intend these plants to be as well will also alter the advice. Hope to be of assistance and don't hesitate to ask...

Hey GH, hope your plants are growing well, I just have a question or two which may shed some light on whats going on. When you subject the plant to dark hours, are you exposing ANY light to the plant, something even as subtle as opening the door and shining light to check on them. In addition...

No problem, enjoy the fruits of your labor ;)

No problem man :) +rep is always appreciated, I just feel like most people have no idea where the button is to actually do it haha. I just enjoy helping people out so if you also have any questions feel free to ask

I am unsure as to whether it takes flouride out, but if you continually agitate the water in a giant resoivoir like a home depot 50 gallon trash bin for 2-3 days after agitating it with an airstone at the bottom, I believe it will be evaporated out with time like chlorine / chloramines. ps...

+Rep is always a nice way to show appreciation :-p and yes! all nutrients go together in the same resovoir, but you should never mix the concentrates together! When you make your solution, make sure your water is de-chlorinated (you can buy dechlorinaters from petsmart that are safe for aquatic...

OOOOOOO :) if your with organic nutrients, then stick with advanced nutrients organic line, and botanicare. Those two companies specialize in organic-hydro lines, and if your doing bubble and a basic formula, its important to ensure that your system is clean with enzymes (a must for any organic...

Hey hydrogirl, interesting setup but a few pointers to really help out your yields in the future :). Firstly, while your system is a reliable bubbleponics system, most of the airpumps that come with such systems provide inadequate oxygenation to the root zone, or very minimal levels. Even in the...

Hey Kalium, if you give me a little bit of background on the type of systems you'll be using and whether or not you have a full understanding of ppm and pH values and I'd be glad to help you!

DO NOT USE HOT SHOT PEST STRIP :) sorry skinnyone, but there are much safer alternatives to using those strips. They work because you are flooding your growroom with hazardous chemicals, and even if you were to use a chemical it should be something made for spidermites like...

I am a little unsure as to what you are explaining in terms of your recycling O2 system, but hopefully this will shed some light on beneficial practices in the garden when maximizing oxygen intake to your system Megalith! As you already know (I am assuming), the more oxygen to your root zone the...

No! :-p it means that your bill will show the increase in power usage, but no, of course it won't show up with MH or HPS. Most of your household appliances run over 600W so it doesn't raise any alarm bells either ;)

Dear Power Towel, although your stories of tap water are quite intriguing and interesting, there are so many variables that you are not accounting for which could explain your pH change since the solutes in your water are completely unknown, the quantities are unknown...

That should be more than ample to move them into a DWC system. When your washing the roots, make sure it is distilled water because the chlorine and other metals in tap water is not kind to the plants fragile new root system, in addition to the temp of your water as close to room temp as you can...

Hey Blazin, hopefully I can help you figure out how to lower that temp! 30 (C) translates to roughly 86 (F) which is way to high for any DWC res to be at. Your roots enjoy water that is 65-75 degrees because at those levels, oxygen can thrive in your system, but also it could be a number of...

In short, there is no way to know the humidity without a hygrometer of some kind. The reason why temperature is so important to humidity is that humidity is respective to the temperature in the room, which is why it is known as 'relative' humidity. When the air is hotter, it is able to hold more...

Also, for vegging a 4ft T5 fixture should be fine, but make sure that the lights are as close to the plant as possible without touching the plants to the light since the intensity of CFL lights are diminished to begin with, but effective frequencies of light for growing. In terms of your...

Yes, PPM (parts per million) and TDS (total dissolved solids) instruments are extremely important! In order to monitor the strength of your solution, which is the amount of total dissolved salt-metal particles (and various other particulates), the reading given will indicate how you proceed in...