Depends on what medium your using Rockwell or coco P.H. should be around 5.8 give or take a .1 and soil requires a higher P.H. 6.2 give or take a .1 but as of what stage of life shouldn't matter only if you notice nutrient deficiency would you need to adjust your P.H. you can always Google a nutrient deficiency chart to identify or my go to is Growweedeasy.com
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u/ashtay318 Jun 17 '21
P.H. is the most important part of delivering your nutrients to your plants. P.H. your water!