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Long story short. I'm 20 days from harvest in my RDWC, I did res change 3 days ago at 740ppm, as expected it dropped to 675ppm the following day (I'm still looking for the sweet spot) I added Plain RO water to bring back up water level as a result ppm dropped to 550. Well today when taking...

Without getting into too many details right now, I'm in hydro (rdwc) water chiller and all that good stuff, I just changed the rez yesterday and my ladies have drunken no water and the ppm went up and the PH also went up from 5.8 to 6.6 over the course of 15 hours. Any ideas? I know that if...

So I'm wondering if this is root rot or dye from the nutes, because I'm having some issues with this lady still and I can't figure it out nor have I seen this before. Random splotches of yellow, they are both in the same system using same water and the other lady is doing wonderful. They are...

Both same strain in RDWC. 32 days from seed 750ppm 1.5 EC 5.8 PH Water temp 68(chiller) 60%RH 80°f light on 73°f lights off VPD 1.2 on average Light height 24 inches One is doing amazing, she's Gorgeous the other not so much. Can some give me some ideas please. 1st pic is the pretty lady other...

So the system is RDWC, Running water chiller at 68. I just looking for someone to I guess tell me the story of these numbers 10/25 PPM-792 EC-1.685 PH-5.9 10/26 PPM-783 EC-1.665 PH-6.1 10/27 PPM-792 EC-1.685 PH-6.2 10/28 PPM-789 EC-1.678 PH-6.2 10/29 PPM-779 EC-1.657 PH-6.2

I'm in RDWC, 745ppm, 1.5 EC, 6.2PH Water chiller with temp at 68°F The top leaves seem to be cupping or something. Im new to hydro as in my 1st time. So I can't tell if I'm just freaking myself out or what.

So I have a off brand that pumps 40L/min and is extremely loud and so I went and bought a ecoair2 that claims. My question is will the ecoair2 be enough for 13 total gallons between 6 airstones in 2 rez and a control tank?

So I'm on my 1st hydro grow and I'm using RO water at 2ppm. The ladies just popped 10 days ago and I'm using 1/4 strength nutes. The question is... do I run calmag at 1/4 strength also? How many PPMs of calmag should I be shooting for. My total PPMs are at 254PPM when mixing 1/4 strength... is...

Without going into a lengthy description... im just curious what you guys think this looks like. Ill answer questions as I recieve them Also color is from the lighting... couldn't get it right

So I'm dipping my toes into RDWC, and am finding that everytime I find an answer to my question, Im also left with more questions. So I'm basically looking for someone knowledgeable in RDWC to look at my setup and tell me if it looks okay, as in functional.. I'm running 2- 12 gallon totes with a...

So I went out of town for 8 days and before leaving set up an auto watering drip system, but do to time constraints I only filled res with Ph'd water and set the schedule. I Fed the day before leaving and returned to quite a bit of yellowing from 2 of my ladies. And the 3rd seemed unphased. I'm...

So I've been doing this for about 5 years or so and never seen anything like it. She's into her second week of flower, fed 1st bloom nutes yesterday and today she's got these strange stripes right down the center of the newest growth. Any ideas? She's a purple kush so I'm hoping it's just a...

So I've been doing this for about 5 years or so and never seen anything like it. She's into her second week of flower, fed 1st bloom nutes yesterday and today she's got these strange stripes right down the center of the newest growth. Any ideas? She's a purple kush so I'm hoping it's just a...

Is a mars hydro ts3000 and 2 ts1000's at 30 inches too much for a 4×4 tent?

So I'm currently in week 4 of flower and one of my girls is showing symptoms of something and it happened relatively fast (1-2 days) Soil 6.2 ph 1100 ppm 45%rh Light is 13 inches away Ventilation is always on

So I'm 2 weeks into from seed and one of my girls is developing brown spots. I'm not sure what it is. Its only on 4 leaves at the bottom. And the soil is new so I'm ruling out cal-mag issue. Any ideas?

Okay so I will do my best to keep this short but detailed. Setup: 4×4 Tent 1 TS3000 by mars 6" cloud series inline fan with digital controller Not using intake fan as I have large enough vents to accommodate the pressure.(I do have one though) I have a standing ac unit vented outside Setup is...

Looking for opinions on aliment, soil grow. 3 week in flower. Ph 6.1, foxfarm nutes. Leds, co2, carbon filter, rh 45%

I'm looking to add a 2nd tent to my room. One for veg one for flower. I have a 4×4 and a 2×3 running LEDs i have a 12000 btu portable ac running on auto to dehumidify the ROOM down to 32% i have it at a constant 68°F to account for my light Temps bringing internal temps to 76°F day/68°F night...

Backstory: started one on Aug.13 and the other aug.22. I am on my second ever grow. Im trying two different training techniques to see which I like more. On the one im trying mainlining and the other im not too sure lol. I guess im doing LST and topping. I tried a fim but I seemed to have missed...