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Question Rainwater

Toploader
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So, we're getting the first rain here (East England) for some time. It's good, because it's going to replenish my water butts that were getting quite low. I tend to use rainwater all the time if I can and see no reason to PH it, ..... but am I right ? Should I being PHing my rainwater?

Time to grow old disgracefully.

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Topic starter Posted : May 3, 2021 9:47 pm
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Mossbeardmitch
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@toploader

In soil you should be alright, I can't comment for coco but i've never PH'd rain water and have never had issues with it. I mean you could just to see what its at but i dont think its necessary. 

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Posted : May 3, 2021 10:07 pm
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Well I didn't do it even when I was in coco😂 Probably why I'm a terrible coco grower. Soil is working out good for me thus far 👍

Time to grow old disgracefully.

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Topic starter Posted : May 3, 2021 10:45 pm
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All my grow uses if it’s available is rainwater and I use the Advanced Nutrients ph Perfect formula so I rarely need to adjust anything but I have tried to adjust the ph on rainwater and one single drop of ph down took 5 gallons from ph 7.2 to ph 4.9. When I have done it since, I dilute the ph down so I can use a partial drop. Recently decided that if I’m running only water in coco I don’t ph the rainwater and I’m not seeing any negative effects.

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Posted : May 4, 2021 3:35 am
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