chronicals77
Well-Known Member
Hello everyone, ive always been an outdoor grower but its not practical anymore for several reasons. I have done indoor grows in soil but nothing like what I have now.
I have a 4'x4'x6.5' Mylar Grow Tent. I have an 8" 420cfm exhaust fan mounted directly to a 6" cooling tube which means my fan is inside my tent for now. I have a 6"x20" Australian Virgin Carbon Filer coming which I will hook up the night before I start flower stage. I am going to hook it up different and im looking for advice on how to do so because the way it is now im maintaining a temp of 85f. I would like to get it lower. My exhaust comes out of my cooling tube and out the top and into my attic. I can lay my hand on the top side of my tube but my temp is still 85f. I have only the 3 vents at the bottom open which should be sufficeint and I run an ac in the room and keep it very cool. My light by the way is 1000w MH/HPS and theres only about 3/4" around the bulb between the bulb and glass for air flow. If I dont run the AC in the room my tent temp will be 95f and the cord gets hot. It slightly melted one cord at one of the prongs after only 3hrs operation. My cord has never gotten even warm until I put that 1000w MH bulb in that 6" cooling tube. As long as I keep that room cool and my ambient temp 85f the cord doesnt even get warm. My light cycle is 18/6 and im begining of week one. Im hoping when I hook up the carbon filter and route everything different it will keep cooler. Right now the fan is inside pushing air through and I just wonder if the exhaust fan should be outside the tent pulling air through everything? I see people using 170cfm fans with the same tent I have and having no problems so I figured one 8" 420cfm would pull the filter and cool the light? I really can run another exhaust fan and I really dont want to go down to 600w because ill lose yield. Im only doing one plant(Indica Hybrid Mr. Burns 67 day flwr) because I see people with one plant taking up near the entire 4'x4' of width. The plant is topped twice, recovered and put in a 5gal DWC Bubble Bucket with a EcoPlus2 air pump and is now back to growing. Im using a 4" stone and no top feed. Each night when the light kicks off I use the nutrient solution from the bucket and top water the Hydroton. My solution temp is 83f which is to warm. My air pump is inside the tent but im affraid if I add 3-4f of tubing to put it outside the tent ill lose pressure. If I put it outside the tent where it can pump the cooled air into the solution it might reduce my temp by a few degrees but right now im getting so much air that my water looks like its boiling and I can see bubbles coming up through the hydroton and id hate to hinder that by adding length. I have one 6" circulating fan but I think I may need one more. I use a hydro fogger to keep my humidity at 60% and when I start flower ill drop it to 40%. Im going to put reflective tape on the top of the basket to hopefully help with nutrient temp. My house is 95 years old and is poorly insulated and the only place I have for my tent is upstairs. This is why I have to run AC, the weather outside affects my tent greatly if I dont. I hope I havent forgotton anything, i would like as much advice on my set up as anyone is willing to give. I also need to add my starting water ph is 7.0 and then I add the GH Flora Series plus additives it drops to a perfect 6.0 BUT by day 2 my ph was right back to 7.0. I washed my hydroton in a bucket of water several times until the water was clear. I also noticed by the next day the water was cloudy. The clone was in a Jiffy Peat Pellet and I washed most of the peat from the roots but not evert bit. Is the peat causing my ph to go back up and the water to get cloudy when I top water? Peat is acidic, one would think it would drop the ph if anything not raise it. I plan to change my solution every 7 days and use a ppm meter to know whether to add just ph adjusted water or water with nutes. If the ppm goes up ill add water, if the ppm goes down ill add nutes mixed appropriately to balance ppm's. I go by the ppm's on the GH recirculating chart. Ill thank in advance for anyone that would like to chime in on my set up and methods. Oh, one last thing. My 8" exhaust fan seems to be cooling ok the way its hooked up but it seems as if its blowing back a good deal too. If I close the vents it wont suck the tent in much. Is it because theres only about 3/4" of air space around the bulb and because I have a 6" reducer on the exhaust side of the fan and its blowing through the tube and 15-20ft of aluminum ducting? Should it be pulling? I dont know why its blowing back some, that size of fan should shrivel my tent like a raisin. Thanks again!
I have a 4'x4'x6.5' Mylar Grow Tent. I have an 8" 420cfm exhaust fan mounted directly to a 6" cooling tube which means my fan is inside my tent for now. I have a 6"x20" Australian Virgin Carbon Filer coming which I will hook up the night before I start flower stage. I am going to hook it up different and im looking for advice on how to do so because the way it is now im maintaining a temp of 85f. I would like to get it lower. My exhaust comes out of my cooling tube and out the top and into my attic. I can lay my hand on the top side of my tube but my temp is still 85f. I have only the 3 vents at the bottom open which should be sufficeint and I run an ac in the room and keep it very cool. My light by the way is 1000w MH/HPS and theres only about 3/4" around the bulb between the bulb and glass for air flow. If I dont run the AC in the room my tent temp will be 95f and the cord gets hot. It slightly melted one cord at one of the prongs after only 3hrs operation. My cord has never gotten even warm until I put that 1000w MH bulb in that 6" cooling tube. As long as I keep that room cool and my ambient temp 85f the cord doesnt even get warm. My light cycle is 18/6 and im begining of week one. Im hoping when I hook up the carbon filter and route everything different it will keep cooler. Right now the fan is inside pushing air through and I just wonder if the exhaust fan should be outside the tent pulling air through everything? I see people using 170cfm fans with the same tent I have and having no problems so I figured one 8" 420cfm would pull the filter and cool the light? I really can run another exhaust fan and I really dont want to go down to 600w because ill lose yield. Im only doing one plant(Indica Hybrid Mr. Burns 67 day flwr) because I see people with one plant taking up near the entire 4'x4' of width. The plant is topped twice, recovered and put in a 5gal DWC Bubble Bucket with a EcoPlus2 air pump and is now back to growing. Im using a 4" stone and no top feed. Each night when the light kicks off I use the nutrient solution from the bucket and top water the Hydroton. My solution temp is 83f which is to warm. My air pump is inside the tent but im affraid if I add 3-4f of tubing to put it outside the tent ill lose pressure. If I put it outside the tent where it can pump the cooled air into the solution it might reduce my temp by a few degrees but right now im getting so much air that my water looks like its boiling and I can see bubbles coming up through the hydroton and id hate to hinder that by adding length. I have one 6" circulating fan but I think I may need one more. I use a hydro fogger to keep my humidity at 60% and when I start flower ill drop it to 40%. Im going to put reflective tape on the top of the basket to hopefully help with nutrient temp. My house is 95 years old and is poorly insulated and the only place I have for my tent is upstairs. This is why I have to run AC, the weather outside affects my tent greatly if I dont. I hope I havent forgotton anything, i would like as much advice on my set up as anyone is willing to give. I also need to add my starting water ph is 7.0 and then I add the GH Flora Series plus additives it drops to a perfect 6.0 BUT by day 2 my ph was right back to 7.0. I washed my hydroton in a bucket of water several times until the water was clear. I also noticed by the next day the water was cloudy. The clone was in a Jiffy Peat Pellet and I washed most of the peat from the roots but not evert bit. Is the peat causing my ph to go back up and the water to get cloudy when I top water? Peat is acidic, one would think it would drop the ph if anything not raise it. I plan to change my solution every 7 days and use a ppm meter to know whether to add just ph adjusted water or water with nutes. If the ppm goes up ill add water, if the ppm goes down ill add nutes mixed appropriately to balance ppm's. I go by the ppm's on the GH recirculating chart. Ill thank in advance for anyone that would like to chime in on my set up and methods. Oh, one last thing. My 8" exhaust fan seems to be cooling ok the way its hooked up but it seems as if its blowing back a good deal too. If I close the vents it wont suck the tent in much. Is it because theres only about 3/4" of air space around the bulb and because I have a 6" reducer on the exhaust side of the fan and its blowing through the tube and 15-20ft of aluminum ducting? Should it be pulling? I dont know why its blowing back some, that size of fan should shrivel my tent like a raisin. Thanks again!
