scottish
New Member
Looking very nice sham about the rubbish grow shop try 3counties hydro aka 3ch thats where I get my grow bits very gd service
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I found an old liquid pH testing kit that uses drops in a little test tube then you have to compare the colours. It is 4 or 5 years old so I don't know if it's still accurate but the spring water seems to be between 7 and 7.5 pH (turns light green). I want to use lemon juice to lower the pH, (not keen on using vinegar, I've seen what it does to my garden weeds - real weeds like nettles etc it's deadly stuff lol) but I also have powdered citric acid that I can use. Which one would be the better choice or should I just use the spring water as it is to flush? Will be doing it when they wake up later this evening.