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Medical marijuana grow rooms can emit odors that rival the stinkiest skunk or nastiest fish you have ever smelled. Organic nutrients, soils, hydroponic reservoirs, and, of course, the plants themselves can make it seem like your grow room radiates the greenish stink rays only seen in cartoons. In order to protect your garden from thieves, and keep your neighbors from thinking there are decomposing bodies in your garage, a grower must take steps to odor proof his room. For years I tried every device available to eliminate odor in and around my grow rooms. Time and time again I would think my problem was solved. I would call my “bloodhound” friend (best nose ever) to sniff my property for me. Fail! Every time there was at least a hint of odor around the premises. I decided to make it my mission to create a grow room that was as odor proof as possible. I found that by implementing three pieces of odor reducing equipment in a grow room, a medical marijuana grower could reduce odors to the absolute minimum. Carbon Filter Within the Marijuana Grow Room The purpose of this fan and filter combo is to reduce the odor that is constantly emitted by the plants themselves. This fan is not connected to the ventilation system in any way. Instead simply place the fan on top of the filter in a central location of the grow room (if possible) and let it run continuously. This fan and filter can be significantly smaller (approximately 1/3 the size) than the carbon filter and fan used for the actual exhaust of the room. Carbon Filter For Grow Room Exhaust This is the most common odor reduction tool used by medical marijuana growers. Most of the odor that escapes from a grow room is through the exhaust, so this carbon filter is probably the most important piece of odor control equipment and was my initial purchase in my quest for an odor proof room. Carbon filters are sized by the CFM rating on the exhaust fan itself, not the size of the room. Check the fan’s CFM ratings before purchasing either the fan or filter for any grow room. Ozone Generator For Exhaust This handy piece of equipment is the fail-safe. Ozone generators create ozone that actually oxidizes the odor molecules and destroys them. These devices can be purchased specifically for an inline exhaust application. Sizing for ozone generators will change dramatically depending on your intended use. If you plan to use the ozone generator as the sole odor control device then you should follow the manufacturer’s recommendations on compatibility with a fan’s CFM. If you plan to combine an ozone generator with a carbon filter on the exhaust then you will only need an ozone generator with 1/4 the CFM requirements suggested by the manufacturer. Warning: Ozone produces its own distinct odor, so over-sizing ozone generators should be avoided. Ozone is also harmful in large quantities to people and plants and should be used in the exhaust systems only. After installing these three pieces of odor control equipment, I called my “bloodhound” friend back over for another inspection. Not a hint of medical marijuana, organic nutrients or any other smell that would otherwise imply an indoor garden was in the vicinity. Success! Trix
A Lawyer's Advice for Renters and Landlords On Medical Marijuana With over 79% of the U.S. population living in cities, many residents forgo home ownership for more affordable spaces, like condos or apartments. In a place like California, where medical marijuana is a burgeoning industry, it is inevitable that, eventually, renters and landlords will go head to head over medical marijuana usage and building grow rooms within the already congested city spaces. The contentious issue of medical marijuana patient's residing in privately owned buildings has been making headlines throughout the country. Most recently, in Colorado, a Pueblo renter was denied an apartment because his authorized medicinal usage was revealed to the management staff. The manager of the complex refused the would-be tenant because of conflicting state and federal regulations. According to a legal professional, not renting to patients or growers is actually under a landlord's legal jurisdiction. San Francisco-based attorney, Michael Pineda* says that in recent times, he has come across a host of landlord, grower issues. Further, the perplexing status of the law regarding usage and apartment dwelling doesn't just concern patients and landlords, it's distressing for licensed growers too. “[Landlord and tenant issues] are a common occurrence, especially with under the radar cultivation. Individuals may have legal permission to grow but they didn’t secure the permission of landlord. Cultivation and lighting can place an electrical system under a lot of burden and many of the fires in this area are directly related to inappropriate cultivation. This is a concern for landlords,” says Pineda. We recently ran a piece in our “Ask a Grower” section about cultivating medical marijuana in apartments. It addressed the various tools and precautions an apartment grower should be aware of. However, the larger scope of the conversation pertains to eviction. Pineda's area of expertise is real estate law, including zoning and leasing. This, coupled with experience in criminal law has given Pineda an all-angled perspective in the field of medical marijuana and landlord or tenant rights. He also worked on contractual agreements with some high profile medical marijuana dispensaries, such as _____ According to Pineda, growers who wish to establish a site for cultivation within the rented residency should read their lease agreements carefully. More so, he says that a single family home is the best place for cultivation. This is because different lease contracts present different regulations for renters. Apartment cultivation sites may be in violation of the terms in a lease agreement. For example, converting a bedroom into a grow-room may constitute an alteration of the premises, which could go against a non-alteration stipulation in the lease. “What is written in the lease agreement is the key. Renters have to be careful about what the lease includes. They may have a permit or a card or a recommendation to use or cultivate, but it could still be in violation of the law, ” he warns. As the issue is still in its infancy, no court precedent has been set to guide legal professionals and laypeople on how to negotiate lease agreements. Landlords are fearful that by allowing cultivation in their buildings, they will be subject to persecution and growers are ever-fearful of eviction. “Ultimately, this is discrimination,” says Marlene Sung, a licensed patient and grower hopeful. “It's unrealistic that I can afford a home in this economy. My husband has been laid off and I'm disabled. We have to live in a multi-unit home and I want grow my own. I don't want to lose our apartment, where would we go?” Pineda has helped growers and landlords with negotiation of occupancy rights and better understanding city rules and regulations. He attributes the anxiety renters and landlords experience to a lot of misinformation regarding lease and contract details. “Some people have a limited understanding of the law and they walk around with unwarranted assumptions,” he says. “Americans for Safe Access is the best place for a comprehensive understanding of legal rights. ” While landlords and occupants continue to navigate murky dwelling rules, contractual professionals like Pineda continue to monitor current events to ensure the legal safety of both landlords and renters. http://bigbudsmag.co...uana-march-2012 Trix
Why pH Effects Nutrient Uptake In Medical Marijuana Hydroponic medical marijuana growers have heard of and probably seen the effect pH has on a plant’s ability to uptake nutrients (and therefore grow), but few hydroponic growers understand why the pH directly affects nutrient uptake. The pH range of your water, nutrients and medium all play a direct role in your plant’s ability to absorb macro, micro, secondary nutrients and carbohydrates. As with most important factors associated with hydroponic growing, the effects of pH can be seen in the building blocks of cellular growth: the proteins, amino acids and microorganisms. The Science Behind pH Effecting Nutrient Uptake It is difficult for nutrients to enter the plant’s roots on their own because of a protective membrane around plant cells that make it virtually impossible for water soluble ions to penetrate. In order for the nutrients to enter the membrane they are carried into the plant via special transporters. These transporters are protein molecules that enter the cell membranes. It is these proteins that allow the nutrient ions to actually enter the plant cells. Every essential nutrient has particular transporter proteins that are responsible for bringing that nutrient into the plant. Proteins are rich in ionizable chemical compounds and makes their functions dependent on pH levels. There is an optimal pH range for each protein and therefore a corresponding optimal pH range for the absorption of every given essential nutrient. This is why we can determine optimal pH ranges for any particular plant species. Depending on the nutritional needs of a given crop we can determine the best pH range to accommodate the proteins associated with the particular essential elements. The ideal pH range for medical marijuana is 5.5-6.3. Nutrient uptake is also determined by the beneficial microorganisms found in a plant’s rhizosphere or in the growing medium. These beneficial organisms need a consistent pH range to function properly. When pH strays from the desired range an environment that promotes pathogenic microorganisms or slows the processes of beneficial organisms will occur. The Best pH For Growing Marijuana As previously mentioned, in order for medical marijuana growers to maintain optimal nutrient uptake it is suggested to keep the pH range between 5.5-6.3. This sweet spot ensures your plants will receive every essential element and at the highest absorption rate possible. It also ensures a good environment for the beneficial microorganism activity in and around your plant’s rhizosphere. Without proper pH levels, growers limit their success and end up wasting time and money. Growers who maintain optimal pH ranges combined with quality nutrients and supplements can expect vigorous growth and bountiful yields that will live up to the expectations of the most rigorous of hydroponic gardeners. Trix