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Reply With Quoteyou need active carbon filter will lower ph I use Ro filter but as long as you keep adding high ph water it will kieep climbing
This happened to me in the very begining of the grow I'm in now all because I was using Tap Water sometimes or all of the time, as soon as I switched to RO water (RO Only, no Tap Water Top Offs Either) my PH stayed stable. Its almost always @ 6 as long as I use the same RO and when I want to drop it to 5ish it will stay there. I always get my RO from the same place, just for fun I tested 3 or 4 RO water sources around my house and believe it or not some were off by over 100 ppms. Find a nice clean place that looks like they change their filters.
All the best,
- KKushKush
you need active carbon filter will lower ph I use Ro filter but as long as you keep adding high ph water it will kieep climbing
A noob mistake I made in the beginning was adjusting my PH before adding nutes, my tap water comes out around 7.2 and i would add PH down to get it under 6.0 and then adding nutes, after reading on this fine forum that your supposed to adjust PH after adding nutes I learned that the nutes (I use GH Flora 3 part) bring my tap water down to 6.0 on there own then I just add a little PH down to a sweet spot of 5.8, usually within 24 hours it might creep up to 6.1 so I'll add a few drops of PH down to keep it around 5.8.
This is a common question
I've answered it so many times that I ended up doing a short video on this topic - you can check it out on Youtube at http://www.youtube.com/watch?v=pVy39KeDDTo I hope it's helpful
Visit the 'Ask Mike' series on the blog or on the CX Youtube channel.
This thread is pretty old man. Also that video only talks about one reason why PH goes up when in fact there are so many reasons.Originally Posted by CXhydroponics
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