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Hi RIU, I was checking a few plants and saw one had this silvery looking stuff on the leaves. Any idea what it could be?

Hi RIU! First, let me explain what daphnia are. Daphnia are small planktonic crustaceans that live in freshwater. People usually use them to feed fish or do experiments since a colony that is maintained outside of its natural environment will all be genetically the same. I have around 400...

Hi everyone, Just checked my tent and my cat took some chunks out of my seedling. I am pretty sure it will recover (?) but I am more concerned if this will stress the plant enough where it will be a lesser quality product at the end. Thank you!

Hi, This is only my third grow, but my first time growing regular seeds (not autoflower). I have 1 plant in a 5 bucket gallon and 2 plants in another 5 gallon bucket (I know, I fucked up putting 2 in one bucket!) I woke up today to see that some leaves had holes in them. PH = 5.7-5.8 ppm =...

Hi, I'm doing my third grow now, it's low budget. They are about 27-29 days old. The plant that is alone in the bucket has a ppm of 399, and the other bucket, with the two plants, has a ppm of 599. I'm not sure how much I should be feeding them. They've been through some cupping and curling...

Hi Rollitupers, Newbie here wondering why my babies (Blue Dream) leaves are cupping. I have spent a few hours reading this past week about leaf cupping and tried various things I saw on the web (Checking PH regularly, raising lights, added more fans) but the problem is still happening. The...

Hi RIU community! I am wondering what is wrong with my plant. Does it look like nute burn? Thanks in advance!

Hey! I'm growing some autoflowers and they look good but the problem I am having is with air flow. Since it's a closet grow, and im my room, I have to keep the door closed at night, which messes up the air flow. Spring is coming! and it gets too hot to grow im my closet, but I'm looking to get...

So I finally set every thing up and out of 6 germinated seeds I got 4 females, it's a very ghetto setup! I'm using plastic bottles with an air stone lol, but I see a big with my new light. I had the light too close at the start so my leaves started to curl, so I fixed that and she got bushier!

One of my plant' leaves started to curl, not up or down, just curl like a taco. I don't know what it could be. Temps are 77-78 during the day and 65-67 at night. The HPS light is about 12 inches form the top.

Here is my second attempt at growing my medicinal herbs. My first try didn't go too well, decent buds but too fluffy as you can see in my avatar. I used CFL's first, and now I switched to a 400 watt hps system for better results, I also found out that having only one source to worry about heat...

Hi! I'm looking into getting a digital 400watt hps system for my closet grow, and heat is an issue. I've looked into several systems and decided to get an air cool tube system this one: http://htgsupply.com/Product-EasyCool-6-Reflector.asp What else do I need to make this operational...

I currently have a closet grow with cfl's but I want to upgrade to a 400 watt hps. The strain I want to grow is an auto flowering strain that only gets about 12 inches tall and 10-12 inches across. How many of them can I fit under a 400 watt hps? Thanks!

Do I have to add nutes every time the water in my AG gets low?

So I have extra Aerogarden seed pods, I also have 2 empty slots on my air pump and I was eying this 1 gal container I have. Could I, instead of hydroton, net pot and rockwool, use the seed pod. I mean, I would make holes in the container the size of the seed pod. I have auto seeds, so size of...

I don't know if they are bending due to the fan or what. Im a total newbie by the way

First time trying to grow this stuff, and its not looking bad, though it is early. Let me know if you guys see any problems!

The feeding chart on my bottle is different than the one online. Should I go by the one on the bottle? Floranova Bloom Feeding chart online http://www.generalhydroponics.com/genhydro_US/feeding_charts/GH_KeepItSimple_DrainToWaste.pdf On the bottle it says 1.25ml 2.5ml 3.75ml

First time grower here. I have 3 plants in my AG but they all sprouted on different times. One sprouted the 12th the other 16th and the other the 20th! How is the nute situation going to work? Am I going to lose the younger plant? Should I transplant it into soil?

So I have been reading a lot about how the AG lights are crap. I have added 2 cfl 6500k = 1 42watt and 1 26watt, I also have 2 26watt 2700k. Will this be enough to get a decent yield? I only have 2 plants in a 200 veg pro