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Old 12-02-2009, 05:10 AM   #21
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i am also using the lucas formula on my third grow with it. have good results with it
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Old 12-02-2009, 05:16 AM   #22
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The only essential imo is a ph meter as long as that's in check ur plants will take up what nutes u have and if its not enough they will let you know. But again that's all in experience I just think people obsess a little too much over it all and end up causing more problems than they originally had.
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Old 01-03-2010, 01:34 PM   #23
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I use a budding supplement that pushes the ph below 5. So I will use about 3 Tbs of phUp to get it to 5.5 or thereabouts.

A ph meter is essential for this very reason.

As far as TDS or EC, if you have a mix down pat, you should be able to gauge what your TDS is. A meter is VERY handy but with TDS there are 3 different scales, so use the appropriate multiplier.

EC is the same no matter where you go.

I hope this helps.

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Old 06-10-2011, 12:36 PM   #24
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Default cheap ph meter

Originally Posted by chokingvictim
I had a friend, also a grower, tell me that he doesn't even check his nutes. he can tell by the color of the water. I suppose it's just experience, but I don't have $200 now for a ph tester. is there any other way I could check nutes in a reservoir?
o know a brand who has good ph meters for 35
brand is fastech.. but i dont know if you can buy them in the us..

i use them.. and they are oke..

If you re-use your soil a few times... you urn that money for a meeter back very quick..
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Old 04-08-2013, 03:35 AM   #25
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just switched to cyco nutes any one else run this and how do you like it
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Old 08-01-2014, 03:34 PM   #26
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Originally Posted by The Hemp Goddess View Post
No, it won't work. A pH meter for soil is different than a pH meter for water (hydro). Unfortunately, they are quite a bit more expensive, but, IMO, a pH meter and a TDS meter are "must haves" if you are doing hydro.
can you tell me what nutes are
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Old 08-17-2014, 03:02 PM   #27
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TDS or EC really doesn't matter as it is a relative measurement that you will learn to use to determine how much nutrient you are using. I don't think the accuracy difference is enough to be that important because even in young plants up to 50ppm inaccuracy isn't going to have a negative affect on the plants.

Both numbers are just reference points so that you can say that the last time you watered with nute solution, you had a certain level of nutrients within the solution. Different plant strains will have different levels of nute need and there are many variable that will affect a given plant's desire to eat what you put in the soil. It is most important to keep a running journal of what you do so that you can go back to it later if there is a problem or question of what you did in the past with a certain strain.
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