Does the bulb have to match my ballast? Yes, Ballasts and Bulbs Should be Matched. HID bulbs generally need specific ballasts, and any given ballast can usually safely and effectively…

Build your own HPS or MH light system One of the best ways to save a bundle on equipment is to wire up your own lights from a kit. By…

Distance Between Plants and Lights For (artificial) light, there is a law that always applies known as the Inverse Square Law. It states that light diminishes exponentially in energy as…

Suncircle Circular Light Mover What is a suncircle? Made by American Hydroponics, it is a 360 degree rotating light balancer. It will rotate a single lamp or lamps and even…

Grow Room Ventilation Each fan has a rating that tells you how many cubic feet of air per minute (CFM) it will move. When dealing with above average temperatures you…

Adding Ventilation to Your Grow Room by Robert Connell Clarke How do I add ventilation to my grow area? There are a couple of considerations to observe when planning your…

Selecting Your Grow Space First, you should not put others at risk without their knowledge. This goes for your wife, kids, parents, live-ins or roommates. When LEO busts a grow,…

Hydro vs. Organic by Glass Joe I have to respectfully disagree that hydroponics will yield higher than organics. There is a difference between growth rate and the yield. Because something…

Estimating Marijuana Grow Yield From ambitious new gardeners and for good reason too. But, this is really a loaded question that doesn’t have a definite answer. It seems one of…

Common First Time Grower Mistakes First time growers frequently: Overwater their medium based plants. When you pot your plant, judge its weight dry by hefting. Then, water the plant thoroughly,…

Root Growth During Dark Periods Note: Diels Alder was instrumental in helping turn this very technical subject into something much easier to understand. This is by no means a complete,…

Starting to Grow from Clones or Seeds Growers face the decision to start a grow from either seeds or rooted clones. The decision is not obvious, as both growing options…

Constant Harvest Strategy Grow marijuana all year round No matter if you grow your marijuana outside or inside, in pots or in a garden, the taste and experience really is…

Compensating Energy Consumption Many people often wonder about how much power usage a marijuana grow room will consume and if that will attract the attention of law enforcement. If you…

Cannabis Seed Storage by the Seedsman Basic Points in Seed Storage Seeds require a cool and dry location in which to be best stored. Temperature and humidity fluctuations are seeds’…