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I have an ebb flow setup and I just noticed what looks like white mold growing on the top of the hydroton. I could maybe harvest now if it is the best option. I am not seeing any mold on the plants themselves but the roots could be covered... Humidity has been a little higher than it probably...

Hey guys I am working on my first ebb flow grow and I need to fill up my 40 gal reservoir with nutrient water. I have the Dirty Dozen Starter Kit and it asks me to use 3tsb per gal of GrowBig which would be 90tsb for my reservoir and basically the entire bottle of nutrients... My plants are...

It does have a speed controller but its set to max. There is plenty of airflow in the room but its hot air... Do you just mean a portable ac like this? Do you know of any reliable or cheaper ones for a room this size (50-75sqft)?

Thank you for the advice! There must be different types of ice box coolers because the one I am thinking of uses a heater core or radiator from a car I believe. https://www.420magazine.com/forums/do-it-yourself/151658-diy-icebox.html

I have a small closet grow which is getting much hotter than expected now that I am running my lights for 20/4. I have two 300W LED lights, 240CFM fan. The problem seems to be there is not enough new cool air coming in from the small a/c vent in the closet so im just circulating hotter and...

I am using feminized seeds so not worried about a male. The seeds are autoflowering so I read it is best to start them in the same container you will finish it. I am trying to follow this SCROG grow...

Thank you for the advice. I am curious about the fill height because most trays i saw were only 3-4'' high. I don't know if I should worry about filling it all the way with another 40L of hydroton... that stuff has not been fun to clean. I am also looking into water and my tap is about...

Don't worry about co2 if this is your first grow. Need to know what size your tent is to recommend a fan.

I am growing in a 3x3 tray that is 7'' deep. I have it filled halfway with 95L of Hydroton. How high should I flood the tray? I am guessing just enough to float the pellets but not see the water coming through so maybe about an inch from the top layer? My tray is on a table which I have...

I have heard good things about Bluelab but its a little pricey. https://www.amazon.com/Bluelab-Controller-Monitoring-Dosing-Solution/dp/B00O9CBYZ0

From what I've read, the higher the wattage on the chip the greater the distance the light needs to be from the plant. Anyone here know more about that? I see some manufacturers even have 10 watt chips but I'm not really sure that is better.

Thanks so much for the advice Bannacis! I am very glad to hear my current light should be acceptable for the flowering stage. I picked up another one and will try crossing as you suggested. Do you happen to understand what makes the full spectrum (12 band) lights better for blooming? I am...

I just recently picked one of these up on sale too for about 59 bucks after coupon code LQSBUPR3 valid thru to Jan. 16. The problem I found after the fact is that this is not the right type of light for the flowering stage. I think you and I may also need something like this here...

What I hope to grow (all autoflowering): Blue Cheese Blue Amnesia XXL White Widow How I am planning to grow it: I am planning to run a flood/drain (ebb/flow) hydro system on a drain tray with LED lighting inside this 4x4x7ft tent. Basically thisthis setup but I haven't settled on 3x3 or 2x4...