Hey everyone,
I am getting ready to start a new batch. I have heard not to use bleach to clean your tank or lines. What should I use.
Thanks
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Peroxide is effective as well.
What is problem w bleach i usually use vinegar and then peroxide but have onsidered bleach
I use 12% peroxide to clean my reservoir once a week.
You can’t get rid of all of it. Peroxide or white vinegar are your go-to.
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@JohnM Here’s another option that is safe and clean.
Sorry. Couldn’t link the site. 
Or you can also make your own like a quite a few growers are doing now.
Brewers and distillers use a product called “Paracetic Acid” which is peroxide and white vinegar combined. Leaves no residue and requires no rinsing to dissipate.
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I’ve been using drip clean, two for one product. You can use it to keep your lines clean through the grow and also as a cleaner for valves, lines, etc…
I take it you run a “dirty” reservoir. That is, bacteria and other microbes are used in the reservoir.
If growing in anything but rockwool cubes only, you will get a dirty reservoir @beardless . I use Hydroguard and Z7 to keep mine as clean as possible and I still have to clean it with Peroxide and hot water every week or stuff accumulates in my chiller tank. I also flood the plants with about 3% h2o2 once a month to keep the roots nice and white
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