wow thanks eh

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any1 no if u can use the lucas forumula with ANs 3 part?

Yeah, you can definitely use Advanced Nutrients' Grow, Micro, and Bloom plugged into the Lucas Formula. AN and GH use basically the same nutrient ratios.

Personally, I'd be ready to supplement it with Magnesium Sulphate - you're not supposed to need extra Magnesium with the Lucas Formula, but it's better to be safe than sorry, imho. If you don't need it, nothing is harmed.

good read..............

sweet ima try that next grow for shure

always wanted to try lucas formula
but i don like GH

It can be done with Pure Blend Pro also, actually it can be done woth any nutrient brand. U just need to use the conversion spreadsheet. I will look for it. I have it downloaded and all u do is type in the specs from the back of your nutes and it tells u how much to use to get u to this formula.

This guy Lucas' has much more methods to his madness than listed here. Their are a lot of variables that are discussed in much mpore detail in this thread on cannabis world. I suggest anyone that tries this formula goes there to read up in more detail.

ive seen a a few threads that with the lucas formula you dont have to check ph...is that correct?

Google "ask lucas" and u will find a nice thread by him...

i don't understand how you would never need to change your rez

If your nute solution is kept at proper temps, and minimal organics are added u can go two full grows w/o changing out res (from what I hear). The third grow your plants start to look sick and pale colored I wouldn't go more than 8 weeks max IMHO, and if it starts to smell bad change immediately...
If you decide to go this route you are putting your res out there as a bacteria magnet, changing the res, although not always neccessary is still the safest way to go.