Recent content by DrPhoton

I would like to see the concept, i assume its going to be a oblong rectangle ? I also assume that its going to be 400 watts total so 200 watts per 2x4 fixture ? Working out the accurate light output is a little more complex than what we have previously discussed. First theres the effeciency of...

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Just feel this would be helpful as updates from journals in progress can be far in between and wash down the pages. Consolidating them in a subforum would make a tidy place for people to look over the current grows currently taking place. Once completed it can then be migrated over to the...

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How low can you have your air cooled hood ?. I have seen people state they have their hoods as low as 3-4 inches with good airflow. Typically though 10-15" is the average with 600 watt systems.

I had a discussion with a mate who thinks he knows the correct way to trim, but i however have a different opinion but also have good reason to back it up. He however just claims thats how its suppose to be. So i thought id ask the people what they think. First picture is his trim, the other is...

Im planning to do a indoor grow this winter and i was wondering if i could use a air cooled hood to heat the room. I plan to use a 600 watt HPS with large air cooled hood. With it i will feedback the heat into the grow room. I would prefer circulating the heat rather than just using a open hood...

This page is being rewritten and moved. TBA

Im wondering if clones can have too little light during the initial root stages. Really the question is do clones use energy from internal storage or is some energy required with photosynthesis. I have not had any success with cloning in my new system and wonder if my light is too weak. Its a...