Hey guys I just had my first run in with pythium on day 14 of my first RDWC grow what do I do!? I got that funky smell, I was using hydroguard and rez is at 72degress. I think my net pots were letting in some light! I got some h202 29% for emergencies.
Check out my pythium post in the infirmary I got great advice!! https://www.autoflower.org/threads/persistent-pythium-hydroponics.70088/
I cant get a lot of products in Canada so I used something similar. I'm going to not bother with sterile and I'm starting to use Heisenberg tea https://www.420magazine.com/community/threads/tea-bag-your-dwc.184191/ and it's also in the forums too if you search on here, I think it's in the infirmary stickies or the irrigation and hydro sections.
The good thing about this tea or similar is the good guys actually need to be at a higher res temp so I don't need to worry about trying to keep it below 70F they like it a bit above that.
Before I set up my stuff again I dipped the roots in H2O2 3% 10mg per gallon and THEN added the beneficials. If you use H2O2 in your res you need to wait 2-3 days before adding anything good back in.
I could not clean my main system until two days ago, but just adding in good stuff killed the pythium and when I harvested my poor plants the roots were already starting to grow back.
H2O2 sucks in my opinion as you have to add it every 2-3 days and it just didn't work for me, but the good bacteria and fungi did the job. Look into it you won't regret
Take knife hits over the stove, just don't pass out face down on the burner... I stole that from google, my flat top won't accommodate knife hits, but I would imagine a MAP gas torch could get a person on the right path as well, assuming you have two butter knives.
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