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The Green Air Products CDM-7 CO2 monitor is a breakthrough in CO2 detection and control. It is a sensing device which measures the level of CO2 in the air. It employs a revolutionary passive infrared element which samples the air once every second and interprets a value instantly. The passive infrared sensor precisely determines and displays the CO2 values in parts per million (ppm) on a large LCD screen. This enables you to maintain precise CO2 enrichment levels without guesswork. The monitor plugs directly into Green Air Products Carbon Dioxide Digital Sequencer (CDDS-2), which enables the user to adjust the desired CO2 level and span. All you do is plug the CO2 Monitor and your CO2 generator or bottled CO2 Enrichment System into the CDDS-2, set the values you want, and it will maintain your desired CO2 level perfectly and constantly all day. CO2 values are adjustable in 10 ppm increments from 0 to 5000 ppm. The span between CO2 “on” and CO2 “off” (hysteresis) is also adjustable in 10 ppm steps up to 300 ppm differential. The LED changes color to indicate CO2 function status. The CDDS-2 also provides a switchable photo sensor to disable CO2 production during periods of darkness. The CDM-6 sacrifices the digital display and portability for a more economical price (you still have the digital readout on the CDDS-2 controller, so you will still be able to see the ppm of CO2 in the room). Buy now…

The Green Air Products CDM-7 CO2 monitor is a breakthrough in CO2 detection and control. It is a sensing device which measures the level of CO2 in the air. It employs a revolutionary passive infrared element which samples the air once every second and interprets a value instantly. The passive infrared sensor precisely determines and displays the CO2 values in parts per million (ppm) on a large LCD screen. This enables you to maintain precise CO2 enrichment levels without guesswork. The monitor plugs directly into Green Air Products Carbon Dioxide Digital Sequencer (CDDS-2), which enables the user to adjust the desired CO2 level and span. All you do is plug the CO2 Monitor and your CO2 generator or bottled CO2 Enrichment System into the CDDS-2, set the values you want, and it will maintain your desired CO2 level perfectly and constantly all day. CO2 values are adjustable in 10 ppm increments from 0 to 5000 ppm. The span between CO2 “on” and CO2 “off” (hysteresis) is also adjustable in 10 ppm steps up to 300 ppm differential. The LED changes color to indicate CO2 function status. The CDDS-2 also provides a switchable photo sensor to disable CO2 production during periods of darkness. The CDM-6 sacrifices the digital display and portability for a more economical price (you still have the digital readout on the CDDS-2 controller, so you will still be able to see the ppm of CO2 in the room). Buy now…

Customer Review: Great Hydroponics
I found this book to be the best of several I have read. It is an easy read with lots of information.
Customer Review: Weak nutrient and aeroponic information!!!
This book was written south of the equator, take that fact into account when applying the author’s studies. Very weak nutrient formula information. For commercial operations, more emphasis should have been made on formulations and chemistry. In the section about individual crop formulations, the author tends to use ratios rather than ranges, leaving a very vague taste in your mouth. Mason’s nutrient information in this section does not co-relate to the information given in his previous sections, major logical flaws. All supplier references are extensive and complete for someone who lives in Australia, if you live in North America, they’re useless. –. Buy now…

Hydroponic means “water working”. It goes as far back as the famous hanging gardens of Babylon and the floating gardens of the Aztecs. Today, there are about 1,500 acres of greenhouse Hydroponic vegetables produced in Canada and over 1,000 acres in the U
Customer Review: Very informative
I have read several books on hydroponics and have found this to be the most comprehensive and useful (this is the first book I have read by this author). There are things I would have liked to have seen included, such as what size pumps that are needed for different applications, or how to determine this, but the book is full of useful information. The education and experience level of the author seems to be much greater than that of other hydroponics authors whose books I have read. I recommend this book to anyone who wants to gain a greater knowledge of how to develop a small scale hydroponics program. Buy now…

This book is a comprehensive and practical guide to soilless growing. It is known as the Bible of the industry. It is a methods book in that it provides detailed information on how to design, set up and operate hydroponic culture systems. It also describes the most successful cultures to use with specific crops. Hydroponic Food Production provides an immediatereference for those who are presently growing hydroponically as well as a guidebook to get prospective growers started. The sixth edition contains 450 photographs, drawings and tables. It has directories, addresses, references, bibliography and a complete index.
Customer Review: The only book about hydroponics you need.
The “Resh” bible, is the definitive guidebook about hydroponics. Resh review the actual techniques and different systems he observed over 40 years as well as provide deep technical insight to most of them. This book should the first to be reviewed if you aspire to be a commercial grower and the best reference book for horticultural consultant working with soilless systems. Buy now…

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AeroGrow AeroGarden 3 Pack Seed Kit Bundle: Salad Greens Seed Kit - Grow delicious salad greens right in the kitchen with this handy seed kit from AeroGarden. Quick and simple, with AeroGarden’s “Plug ‘N Grow” seed system, each pod has a dome that creates a perfect, mini-greenhouse environment for young seedlings. The pod label tells you how much and how often to water seeds for proper humidity and optimal germination and make it easy to identify plants. Pre-seeded grow sponges balance the amount of water and air the young seedling receives. Each seed pod’s location is mapped inside the box. Nutrient tablets are bagged and clearly marked for use in the correct order. These time-release nutrients contain all the micro and macro nutrients plants need, plus seaweed and a patented secret ingredient that keeps tap water pH acid levels in the perfect range for growing plants, so you get fresh-from-the-garden greens in the middle of winter!. Salad Bar Mesclun Mix Seed Kit - This AeroGarden ® seed kit contains a traditional southern European blend of greens that combines mild, sweet, nutty and spicy flavors. Seed pods include: Mustard greens Endive Mizuna Tatsoi Lettuce Start harvesting in 3 weeks for up to 4 months. French Herb Seed Kit - A specialized mix of herbs perfect for classic French cooking or for adding an air of sophistication to your meals, simply and easily. Make your own blend of fines herbes with the freshest ingredients. The AeroGarden ® French Herbs Kit contains - Chervil ? Sorrel ? Marseilles Basil ? Parsely ? Sage ? Savory ? Chives. Buy now…

Our 50# Aluminum CO2 tanks are brand new and lightweight. Just add our CO2 enrichment system & a timer & you’re in business. Tanks are shipped empty for safety, but can be filled at most welding and dry ice companies (usually for less than $50.00). Buy now…

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Buy now…