Water ph high 7.8-8 and slow growth small new growth

HELP I have beenusing tap water, and i know now that the ph is 7.8ph to 8ph
I am getting very slow and small new growth. I bought a cheap meter dial no batteries. and was adjusting my ph down with vineger and added a fair amount and didn't see any change acording to the meter. So i used this water on my plant.
Last night i bought a test kit the color match to a chart kind. It said my water was above 7.6ph I added a little vineger and the ph changed to about 6ph so I know the other water i adjusted was a way low ph.
So I watered with the 6ph water last night.
The question is do I need to flush or will just watering with the right ph water fix my problem?
Any help is greatly appreciated! And thanks in advance!
I'll post a pic but it's not very clear!
peace man

sorry the pics are about a week old I'll try and get some new pics this weekend!peace man

pots to small and ph is too high at 8

Yes thats what I thought. I forgot I have repotted it sence i took those pics
Do you think just start using ph corrected water will correct this problem? Or should I flush the pot?
Thanks for the responce! peace man

use correct ph and test the water run off from the pot and see what ph it comes out at and then adjust or flush if its real high

in soil aim for a ph of 6-6.5 and try putting it in bigger pot. there could be another factors why there growin slow like temp. what are your temps during the day and at night.???

Thanks everybody for your help!
I will have to try and cheack the ph of run off water. I'm still working at how much vinegar or baking soda to add to adjust my ph. The plant in pics is looking worse, I think from my ph going up and down!
I had 3 seeds sprout this weekend so I hope I get this ph straightened out.'
peace man

Drbigbud said:

in soil aim for a ph of 6-6.5 and try putting it in bigger pot. there could be another factors why there growin slow like temp. what are your temps during the day and at night.???

Click to expand...

Thanks Dr I have repotted ti but I think I'll re pot it again as I didn't have any perlight to add to my soil last time.
My temps have been on the low side with the cold wheather. But ar egetting better. 70-74 day night 65-69. I'm cosidering adding a incandesent just to get my temps up a little. I'll add it off to the side so not to burn my plant.
peace man

If you haven't flushed, DO IT! I screwed the ph up on my grow and almost lost all the plants. Not trying to hijack your thread but here's the link to my thread "way to much ph up" so you can see what happened to mine and what happened when i transplanted and flushed. I'm about to flower 2 of them today. They can snap back if you can get your ph under control. https://www.rollitup.org/marijuana-plant-problems/48750-way-much-ph-up.html Hope this helps and gives you hope..... Good luck and good grow....

Yes My ph is under control now I think! Last ight I was seeing new growth and It looked like it grew a fair amount, so it's looking like the ph was my problem! I have two sprouts 4 days old and they are looking good, so I think I have my problem liked I hope! I will try and get some pics tomorrow
catch you laterpeace man

That is def Ph to high , new growth stunted and looks like it's burnt ,
alot of ppl mistake this for a Boron def , as symptoms are the same,
good luck

PLEASE HELP!!!! I know this is an old thread don't care. I just fed my plants, week one in flower, with ff big bloom@3 ml/g, grow big & tiger bloom@2 ml/g. The problem is I fucked up big and forgot to adjust the ph. It is very hard well water. Cloudy and at 11ph. I use a pur water filter and it comes in around 10.2. I always add my nutes then drop my ph but somehow forgot. Any advice is gladly appreciated.

From experience, about a 2/3s of a teaspoon of vinegar will lower a gallon of water by about 1 ph point, just corrected mine from 8 to around 6.3. Plant was a week old and only on its first set of leaves, doubled in size in last 20 hours. Good luck and happy growing

I just tried the vinegar in the water and it brought down the ph from about 7.8-8 down to 5.5-6.2 which I need for my plants, thanks for the heads up.
same problem my plants didn't grow, now maybe they have a chance.
Thanks again.

you can also get the ph down by letting the water sit for a couple days