I am using spring water and jacks classic fertilizer,1/8 th teaspoon20-20-20 and 1/8th teaspoon flower,mixed before checking ph. The water turns blue when testing ph,I have to use 2 ml of ph down to make water yellow. Is this normal?
I am not familiar with what you use. But do know the nutrients I use drop the PH from 7 (bottled spring water) to about 4.5 in mine, so I have to PH up to 6.5. And have heard most nutrients will shift it one way or the other.
SO I guess my answer is yes, the PH will change when nutrients/fertilizer are added, and you must correct it.
PS – you may want to consider getting a PH meter in the future if possible, as the difference between 6.5 and 6.9 can cause some nutrients to be locked out, but you may not be able to tell a slightly different shade of yellow (or whatever color) from feed to feed. Just something to put on your shopping list…
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Most nutrients, when added to water will change the Ph. However, you need to get yourself a good Ph meter. The drops you are using are not accurate and that may be why you’re having to add so much Ph down. Here is a good cheap meter that will work for you.
https://www.amazon.com/gp/aw/d/B0789G7MVP/ref=mp_s_a_1_3?ie=UTF8&qid=1525305998&sr=8-3&pi=AC_SX236_SY340_FMwebp_QL65&keywords=ph+meter&dpPl=1&dpID=41rDHSz42vL&ref=plSrch
And for more money, this is the preferred meter that most of us here use.
https://www.amazon.com/gp/aw/d/B01ENFOHN8/ref=mp_s_a_1_12?ie=UTF8&qid=1525305998&sr=8-12&pi=AC_SX236_SY340_FMwebp_QL65&keywords=ph+meter
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Hmm, I can’t seem to fix it.
My Apera meter is in the air somewhere on its way here, ordered it a few days ago…
https://www.amazon.com/Apera-Instruments-AI209-Waterproof-Accuracy/dp/B01ENFOHN8/ref=greenrel-20
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Thank you, I guess you can tell my experience level is.
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Excellent, you won’t be sorry you got it. This will make life much easier for you. I recommend not doing anything until your new meter arrives.
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I was where you are a little over a year ago, and I am far from a expert now, but once you pick up a few things, it is not a hard plant to grow.
And we love pictures, so if you run into any problems, feel free to post a pic and ask for help (or just ask for help if pics are not an option, but a pictures worth a… you get the point, lol…
@raustin dropping my beans tomorrow, am already 2 weeks behind last year, and the cold almost got me last year, so am already worried about 6 months from now. It should be here before they sprout (friday is expected delivery day)…
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Start a grow journal so we can all follow. It’s also easier to get help with problems when we know everything you’ve done.