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Plants are not humans. Although we talk about 'sleep', 'work', 'rest' etc. plants' hormones mainly react on circumstances. So, for rest you don't need it. There is another thing: Some scientist say that moving the roots the whole time, is not good for roots. I have no clue; I just repeat what I...

You are not right here. I did not say that most growers will get more then 2 lbs per 120 x 120. I said that it is possible and that I know some growers who manage that. You say it is impossible 'because plants can not hold that much'. I disagreed with that, and gave you the names of growers who...

I did look at the pics, but wasn't sure. But you are a liar to some people :)

How many grams was it? About 990 grams / 35 ounces / 2.2 lbs ? On a 4 x 4 ?

Aks @ttystikk if it is possible. Ask @Renfro Experienced and well known growers. You don't have to trust me. I am not saying it is that easy; one should have a dialed in room (or how do you call) People who use CO2 will easily reach those high numbers. Which means that the plants can handle...

You don't have to believe me. I do not believe you: You are saying that you are an experienced grower and you don't think yield of the ones in mentioned are possible? Check out @Renfro 's grows for example. And why would it not be possible with a 100 Watt HPS lamp to get a pound? If you veg for...

I do agree that most people with a 600 Watt HPS will have a hard time getting to 2 lbs. With a 1.000 Watt HPS getting 2.2 lbs is not extremely hard. Also on the 'limited' space 4x4. With a 600 Watt HPS getting 600 grams (1.3 lbs) in a tent of 100 x 100 cm (3.3 x 3.3) is very common for...

Is '2' pounds? Because if that is pounds, then this number is not accurate. I know a number of people who had 1 kilo (2.2 lbs) in it, with a 1.000 Watt HPS. Also know people who had almost 1200 grams (2.6 lbs) with state of the art led in a tent of 120x120 (which is 4 x 4) But again: It...

There are so many options, that you first have to set the parameters. What do you want to achieve? How much do you want to spend? How much work are you willing to do? And several other questions that need answers first. If someone says: "I get 600 grams with a 600 Watt lamp" is that a great...

The way your roots look, it seems that you use some kind of rooting powder or gel. Right? If so, how do you do it in hydro?

In itself the difference between 8.4 and 9.2 is not negligible. It is about 10 %. You are right there. But is negligible in hydro, the way hydro works. At 20 ° C / 68 °F water contains 9.2 milli grams per liter At 25 ° C / 77 ° F it is 8.4 mg's per liter. Let's say you have a reservoir of 37...

Although I prefer Boris Johnson (well, even a dressed monkey) over left lunatic Jeremy Corbin, it is mainly the outdated voting system in the UK that made Johnson win this big. if it would be a simple system where all the votes are counted and every party would get the amount of seats in the...

Perhaps this works with your water and circumstances, but I am not sure if it will work in all situations. pH is depending on several factors, not only the concentration of a solution. Or did I misunderstand? And if I add with a more concentrated top off, then there might be a chance that the...

You call some methods too complicated, and perhaps you are right. But I am sorry to say that I do not understand your explanation as well What is a 'strong nutrient solution' when you say at the same time 'using the same ratio as you normally do'? Strong for example is an ec of 2.4, but if my...

Root rot is the collective name of a number of different diseases that almost all look pretty identical on the outside. But the causes can be very diverse. For us amateurs (and even professionals), it is hard to say without a laboratory test what the disease is. Some diseases thrive better at...

I think the only additive that every grower could consider is silica. (This is an opinion. Also I don't want to get in the discussion which brand :) ) I buy mine from a company that sells it in large quantities (like 250 gallon containers) to the greenhouse growers where I live. I don't buy it...

I saw your grows. Proof is in the pudding :)

True. The reply was more meant for people who claim that their system is the one and only right way.

Now I do understand your point of view and method. Thanks! I visit a hydro greenhouse in my area now and then. They can measure single elements in their (huge) reservoir. So they do top off with water like we do, but they add single elements to get to the perfect balance of elements every day...

How is this possible? If I have 30 gallons in my res with an EC of 1.2 and I add 10 gallons with an EC of 0.4, how can the new EC then also be 1.2 ? In a recurculating system the solution is already off balance after the first time you water your plants. So if you add water with an EC of 0.0 or...