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So I want to top my babies but 80% of them have no space to cut them. When I look pictures of people topping their plants, i can always see a clear stem where they cut it, but in my case, it’s too « compact » and not sure where to cut. I’m not sure what to do, should I wait for them to grow...

Hey guys, I didn’t defoliate and lollipop in my last growth and I realized after harvest that it was a huge mistake. I want to do it with this new crop and just wanna be sure I do it correctly at the right time. Would you top these babies now? What about lollipoping and defoliating now too?

I'm building an auto drain set up using the bucket company ez-pz runoff trays. Here is my question, How can the water reach the top of the pump if the pipes are 2-3cm of the floor? Gravity is not doing a good enough job here, It doesn't seem to have enough pressure or is there something i don't...

I live in Thailand and my tap water comes out at 190ppm. Thai tap water is not safe to drink so I’m just wondering how bad it is for plants. Should I go for a RO filter or just 1 carbon filter for coco? I was able to have an ok harvest using tap water only but I want to optimize my set up.

I would like to built a set up using those trays but I'm not the best diy guy on the planet. If i understand correctly, is this how it works? What king of pump will i need to drain 12 plants? thanks!

Can someone explain to me what purpose does a controller bucket have in an ebb and flow bucket system? Why can't we just pump water from reservoir to plants? It seems like it's for gravity to fill the bucket evenly? What does the device on the bucket does different than a normal timer? I'm...

Hey guys, I'm a newb on flood and drain systems, can you tell me if I'm skipping something with this method? 1. Get a flood and drain table and a reservoir under it. The reservoir should be 3-4x the capacity size of the table and has to be covered. 2. Make 2 holes in the table, 1 hole for a...

I want to switch from coco hand watering to ebb flood and drain and I live in Thailand where it's hard to find what I need so can you guys tell me if it's correct? I would buy this table and i would have to make 2 holes in it, 1 hole for a flood valve and 1 hole for a drain valve. These...

Is it too late?

These pics are day 17 after putting seeds in rockwool and transplanting to coco. It's my first grow, I'm pretty sure I have optimal conditions for temperature, humidity and airflow. I have good feminized seeds and my ac is turned on 24/7 because of the hot climate where I live in. Most of the...

Is there a big difference between these 2 chips? Most lights have a big price difference, the 301 being much more expensive. Are we talking about a tiny difference in performance or a big one? I've been spending way too much time trying to find a light. Many good deals on lm281b but without any...

4x4 tent, limited budget, I live in Thailand so I also have limited choices. The 2 lights I was thinking of are: sunplus 510w, 380$us (lm301h - uv+ir) https://www.sunplusled.com/sundro-s510-led-grow-light_l23583_o.html cretivity 720w, 400$us (lm281b - uv+ir)...

Under a 1000watt hps, I made a dark period of 24h and after switched them to 12/12 and we could see the beginning of the flowers (pale green on the top of some leaves) . But when i was back from work, the light was still on so it was on for 24h and the pale green leaves are not pale anymore...

Hi guys, my plants are from feminised kalashnikova seeds, i feed them with canna vega A-B 15ml of each per 5L of water and they are in soil. I bought an humidifier but i still cant raise the humidity % more than 30-35. Is it a big problem? The leaves became yellow since i put them in a 32 hours...

hi guys, i started a journal of my first grow in the journals section of the forum but it dosen't seems to be visible to others :idea: here is the link https://www.rollitup.org/grow-journals/485047-first-grow-kalashnikova-1000-watts.html#post6594574 So i started 15 feminised kalashnikova seeds...

Hi guys, i started reading this forum not so long ago and decided to make a journal here for my first grow. I'm a total newb so ill probably ask you some advices here :) I orderded in quebec, Canada from attitude 15 kalashnikova feminised seeds from green house and i received them the next...