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How much cfm do I need to properly cool a 150w HPS?? Are there any simple ways to light proof a fan exhaust?

Aside from a dehumidifier, how can you control humidity in a microgrow? Are there simple/inexpensive ways to higher/lower it? Does the frequency of watering have anything to do with this?

I have a few questions about cloning, any input is appreciated. Can you clone in 24 hr light or do they need darkness to form roots??? Can plants root in 12-12? What effects would this have? Is it okay to give clones a very mild dose of nutes? Say 1/5 strength…

I have the fox farms 3 pack and I was wondering how to combine dosages of different nutes when watering. For example, if I have one bottle and it says 2 tbsp per gallon and another that says 3 tbsp per gallon can I combine them both in the same gallon of water? Or am I supposed to mix each...

I have a few questions about growing in soil. Is it beneficial to keep seedlings in a humidity dome like you do clones? Can pots have too much drainage? Anyone have experience with Fox Farms Ocean Forest Soil? It was highly recommended but I’ve heard it can burn seedlings. Is there any...

I am thinking about trying to get some mother plants going before the outdoor season starts so I can have clones for when the time comes. The way I see it there’s a few ways of going about this. I would like to try all of these eventually to find out which one results in pistils showing the...

When doing a perpetual style harvest, where you put some in and take some out periodically, is it possible to achieve the same results per plant as you would get by harvesting all the plants at once??? Basically what I am trying to say is… Will it hurt/help/not effect your yield per plant by...

ok lets say you buy a bunch of growing equiptment. not a shit ton, i mean like a single light, some ferts, soil, and peat pots It is my understanding that this in itself is not illegal. Using it to grow cannabis however, would be. What im wondering is if police can somehow use this...

Does the 8 week flowering time include the time it takes for the plants to show sex??? Basically are they generally done 8 weeks from when you switch to 12/12 or 8 weeks from when the plants show????

where can i get one for less than 40 bux?

I left some soil in my trunk and i forgot about it for awhile. Then i remembered and went to get it but it was frozen. Its hard as a brick... My question is.. Can i still use this if i bring it inside and let it defrost/get warm or is this soil completly ruined???

What are some ways of controlling the humidity in a micro grow? Can plexiglass melt if used it as a heat shield with a 150 watt HPS? Is Ph 6.5 for aquariums okay to use with an MJ plant??? It says on the bottle it neutralizes chlorine and stabilizes ph to 6.5

Would I need multiple 12v adapters, so each fan gets its own? Could I use a 9v battery for each fan? If you hook up multiple fans to ONE 12v dc adapted does it divide it the total volts up between the fans or does it divide the total amperage? Or can I just use one power supply that hooks...

How much does a carbon scrubber reduce CFM? Does a carbon scrubber dampen the sound of a fan? Does it keep light from escaping/entering?

What is wrong with doing this? Don’t just say your not supposed to cuz it’s a fire hazard. Ive heard people arguing both sides of this. Some say they do it with no problem. Some say it’s a fire hazard. The Sun System 4 accepts both and theres no fire hazard, but I don’t think its designed any...

Ok ive got a few questions about internode spacing. I know that indicas are supposed to be bushy(tighter spacing) and sativa taller…. Ive also heard that using mh lighting for veg makes a bushier plant while hps makes them stretch more….BUT Which has more of an impact on node...

I’ve heard of using the hand test to see how close you can put your light to your plants but I was wondering….how can I tell if it is too much? Just because its not too hot for my hand doesn’t mean that it wont stress out a small seedling…

Ive got a few questions about cloning… What is the best time of day to take cuttings? Right before lights on/off? Right after? Sometime in the middle? Do any of you clone straight into soil and get good results? I will be using rootone on the cuttings but I want to throw them straight in the...

I recently got some fox farms ocean forest soil but i got a huge bag of it and it was way more than i thought. The size of the bag isnt a problem but im not going to be using most of it for awhile. Im going to start like 2-4 plants tommorow or the next day, theyre germinating now. I was...

Just wondering, if you want to use two different nutrients at once to water, do you combine them into the same gallon of water?? lets say for example, i want to use FOXFARMS growbig and BigBloom, and there suggested amounts 1 tbs per gallon of growbig, and 2 tsp per gallon of bigbloom. how...