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since I confused Hoagland and lucas and stenier in my head I have begun reading my book again to refresh my memory

i don't subscribe the Hoagland method so admittedly i can not say it is accurate to a fault therefore it is a very good argument that conservation could still result in a favorable result

i suppose plant size, medium type, environmental differences and so on and on could be factors either way... we each do what we do I got 9 plants in a 4x4 4 glns per plant per week in a recirc = 36 glns so my drain to waste uses 9 more gallons per week thatn what most...

4 gallons of nutrient solution per plant with replacement on a weekly basis. If any of these parameters is altered, i.e., volume of solution, number of plants, and frequency of replacement, plant performance can be significantly affected

347 authored by Hoagland and Arnon (1950). This circular has been the most widely cited publication in all crop science literature. The scientific literature is full of hydroponic formulas that are identified as “modified Hoagland nutrient solutions” with little given that describes what was...

so I was wondering how much water I actually use so rather than estimating I actually collected all my run off for 1 week the waste was 45 gallons for a 4x4 with 9 plants and 1000 watts running dtw that's not really conserving but I bet most use this much for an ebb n flow...

that may be what he meant I don't know the lucas formula is a formula where the N and P are equal and the K double the N referring to the amount of elemental PPM of each individual macro nutrient... ratio: 1:1:2 NPK example 60 ppm N 60 ppm P 120 ppm K...

damn... I jst typed a bunch of stuff and poof! lost it oh hum I will start again but this time shorter lol I have been running my own nutes for about 5 years.. I made a bunch of mistakes and took many gambles experimenting with all kinds of stuff ive followed plenty of bad advise from...

I tried googling reverse lucas and got very little except at rollit up forum had someone talking about it briefly I think if memory serves lucas is 1:1:2 npk ratio so reverse?? 2:1:1 ?? not for me! I wouldn't run that! that would be something like...

im sorry but I don't know what that is? if you give me the nute % and dosage I will figure it out for ya

yes and I bet you also get tighter internode spacing ...

only 5 gallons of waste water wow your really on a mission to conserve that's admirable

so I run a 4x4 tray =16 sq ft with a 1000 watt light over 9 plants EC max at 1.1 it has a 100 gln res dtw and it use about 10 glns a day so I get 10 days from 100 gln my veg tray is a 2x4 =8 sq ft with a 30 gln res and it recirculates over it I have a 400 watt t5 I...

that sucks.. you sound tired and bummed out hope youll come back to chat when you get caught up after all it was you who inspired/requested me to start this thread

well get some rest and when you wake turn up the tunes.. it helps get thru the dullness look at the bright side... your harvesting :vap-leafy_wave:

then id say you know what your talking about.... i have personally never grown in coco, but i have read that depending on how you mix it you can to some degree control the saturation and how much water it will hold but since i have no first hand experience i really have no place to...

I mix a 2 part concentrate for my veg res its not dtw... since i feed the same ratio in veg from start to finish i mix it to add equal portions of each part until i achieve the desired EC

its been a while since I read that material thus my earlier confusion I would have to reference it

please don't misunderstand my responses im not looking to argue as I know your not either but I am interested in good conversation and im open I respect that your environmentally aware and appreciate it I just want you to consider the nutes your adding to your med and your body are...

oops I got them crossed.... you are correct dtw might put fractionally more fertilizer waste intot the environment you are using 1/3 more water but I could likely use less if I was more thoughtful I could also switch to coco and use considerably less water but also consider...