range

I'm looking for an LED light in the 500 watt range and was wondering if anyone could recommend something. I see the prices range from $50 to $1000! I'm looking for something low cost to compliment my Mars Hydro 600 for a 4x4 grow room.. Thanks..

This bit of research was done for a new member who wanted to know the "safe range" of oxygen concentration in hydroponics given as a percentage. Turned out to be a waste of time but I thought I'd share it with everybody so you can waste time reading my useless findings. Feel free to trash my...

My grow boxes are out in my shed, getting cooler out as that time of year. Is there a range where variance between high and low temp is a problem? Out in nature there is quite a range between high and low for the day, but then the sun not out 24 hours either ;) lol. Also what is lowest you...

Hi people Wow this place is ace I'm learning good stuff on here. my name is dave Im still learning so please advise would be very much appreciated I'm now on my 3 grow first two didn't turn out so good but I am not giving up. I was using vitalink range for my first 2 i have now switch to fox...

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I use 400 watt HPS in a 2x4 tent. This is for flowering two plants at a time. What is a good choice for supplemental bulbs/lights? I have many CFL'S with a broad range of light spectrums. I heard once that HPS lacks some of the colors of the spectrum?

I have a 3gal dwc going on with led, I have a baby veg in it and she showed some signs of stress, so I moved her from 24/0 to 18/6 well when I got up this morning my ph was the same but my ppm keeps going down to the 130 and back up to 420-430 I use frozen water bottles to keep my water cool, I...

Also going to be using canna range for nutrients

Hey I'm thinking I should boost my PK, 3 weeks into flower and feeding canna aqua range. In soil, not ideal I know but it's happening. Happy with plant but I've noticed the pk of the canna range seems low compared to suggested levels.. I have a bottle of egmont root booster. Says on the bottle...

Ever since I started using the biobizz range, all but 1 of my plants has had the same problems. It starts with interveinal yellowing and moves into rusty looking spots. I do get my plants to harvest but normally with a lot of flushing and worry. I'm of the belief that it is caused by high soil...