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hey all, I have a situation which i cannot figure out so i am here to maybe get some answers. I have an RDWC system ( 2 of them ) 4 lights each. System one has 20 plants under 4 lights and System two has 24 plants under 4 lights. Now Yesterday i did a water change and my ppm was 1000 for system...

Hi all, So i have 2 flood&drain tables for clones and teens and a 25 gallon res for their nutrients. I have come to ask the community how you guys maintain the water for a few days. What can be added in the res to keep it from growing algae and cyanobacteria? I tried h2o2 - it keeps it clean...

Hello all. I have about 44 gelato 33 plants growing in my RDWC system and about 5 of plants buds look weird, like yellowish burned looking with almost no white pistils. I was hoping someone might help guide me in the right direction to what might be the issue. These 5 plants are spread around...

Hi all, been growing in RDWC for about a year, i got some gelato 33 going this time and today noticed something weird on a leaf so i cut and took a bunch of photos. can anyone here identify what this is ?

Hey all, I have been doing a lot of research on ways to keep our systems clean and sterile. I came across chlorine dioxide, looks like its a much more potent version of chlorine but it is also safe for people to clean water with and drink it after some time. So i am wondering if anyone here...

This is my 2nd grow in RDWC and 1st one was amazing. I took clones for myself and just transferred them ( 8 days ago) into the grow room. Now i have these random gold bronze spots on my leaves and some are drying out and crumbling. I just checked today and most of them have roots out of the net...

Hi all, So I spent about 2 days now researching on how to keep a sterile system and came across many posts here how pool shock can be used instead of Athena cleanse or UC roots at a fraction of the cost(good start so far). My issue came from finding way to many posts on how to mix the pool shock...

So I make nutrients in a 10 gallon tote and for the last 3 times this happens no matter what i do(see images ) Im adding , calmag, GH micro , bloom, grow, liquid Koolbloom and Silica. No matter how much time i give in between adding the nuts this still happens and i cant figure out what it is...

so i was wondering if anyone has ever measured just the root of a healthy plant after harvest? I know its a weird question, but i want to know a rough number if possible from someone, I have a 20 bucket rdwc system and wanted to calculate how much water the roots are basically displacing at...

So I got a 20 bucket RDWC system setup and i am in week 6 of flower. I do a water change every 7 days. Wtemp is 70 and i feed them lucas 8ml/16ml + Liquid KoolBloom + Floralicious PLus ppm is about 1190 / 500scale and 180ppm tap water I have an auto top off setup with a 3 stage water filter...

I could use some advice from you guys. I have fungus gnats and powdery mildew going on in my grow room and want some ideas on how to get rid of them. Im in 4th week of flower so some of the neem oil and some other options are off the table i guess. Regarding Mildew - I have used sulfur...

Hi all, Got a nice grow going and for the past few days they pretty much stopped eating( ppm not dropping) Prior to stopping they where consuming anywhere from 50 to 100ppm per day. I did some defoliating 5 days ago and from there it started. I know when defoliation happens they get a little...

So i got this clear slime mucus looking thing forming on the roots, air stones and it even got on my ph pen. I cannot for the life of me figure out what this is exactly and how to get rid of it. I bought some clones and noticed they where not doing well , looked at them and noticed this stuff...

Hi all, I have a 20 bucket grow going and today i noticed some weird stuff on the clay pebbles when i opened the buckets for inspection. at 1st glance it looked like salt build up but when i used a 60x mag it looks fuzzy , like fungus or mold but cant tell. and on 1 pebble i found what looks...

I got into DWC while back and kinda dont remember anymore why i chose this over soil. I am looking for concrete reasons to why someone would go with RDWC vs soil. I know veg times are shorter but i got a bunch of friends who dont even veg, meaning they buy junior clones and flip to flower a...

Hi all, I made a video on how to setup a RDWC with 8 buckets and a res outside of a 4x8 tent. Its kinda long ( about 30 min ) but i tried to cover all the parts one would need to get setup. Hope this helps someone who is trying to get started in rdwc. Please note, i am not an expert or claim to...

I flipped to flower on 2-7-2020 just completed week 6 of flower and i cant tell if my buds are growing at normal pace or something is wrong? I feel like for this stage they should be more connected but looks like i have a lot of gaps in between the flowers. is this normal? I was told this is...

Hey all, so i got a 8 bucket system going and its doing pretty well from what i can tell but need some help understanding how and when and how much to top off with nuts between res changes. so currently after a full res change my EC is 2.2 / 1100ppm(500scale) ( this is just for reference )...

Hi guys, I have some weird brown spots on some of my leafs on 1 or 2 plants out of 12. so i cant figure out what it could be, if they all had it ok but why only 2 to 3 plants showing this? also what the heck is this ? RDWC setup with ec of 1.7 ph 5.9 water temp 63 and using Southern AG

Hello all, So I got some root rot few days ago and someone on this forum suggested i use Southern AG. Looks like they are recovering right? Should i be worried about the rot on some parts of the roots or just let it be and it will go away by itself? not sure what to do here? I looked at the...