How Important is using RO filter for city water?

Indoor Growing
21

I tested my water from the tap. 144 PPM

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22

For distilled or a really clean RO that could be an issue long term but the machines I buy from ($1 for 5 gal) have “some minerals retained or added” thing and the water tests out at 4-6 ppm, and if eating an balanced diet and drinking other things juices, wine, beer, whiskey, you’re getting all the vitamins and minerals you need anyway. I stopped drinking city water after hearing a warning in the news and then getting the city water analysis that showed high amounts of arsenic and other carcinogens, I’ll take my chances with RO.

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23

@Myfriendis410 I tested my tap water and it read 7.8-8.0 and a TDS of 78 before and after 24 hours. I’m assuming this would be fine as a water to mix nutes with?

24

Absolutely and it makes me jealous haha. Mine is 550 at the tap…

25

@Myfriendis410 sorry man lol, I’m hoping that works well cause I’m gonna need a lot of water when I switch to flower and I was not looking forward to buying all those gallons lol

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26

Ouch. I’m surprised mine isn’t 550. My city is not know for its cleanliness

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27

@Myfriendis410 going to try the tap water with some cal mag tonight. Wish me luck

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28

I hooked up the RO and went to 44 PPM. Not bad. The pH however is 9.6. I was able to bring that down to 6.8