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1/31 Brewed another tea. Local hydro shop (both of them) recommend not adding EWC to brew. 2/1 Drained the Physan 20 from the RES. Refilled with light nutes (200ppm). Inoculated RES with the beneficials. Added a small net bag of rocks for the bennies to live in, since I have about three...

Wow, that is a lot packed into a small closet! Temps must get a bit high in there with 400w?

Yesterday, did a drain and refill with Physan 20 to sterilize the RDWC. Flushed netpots with some PH adjusted H2o2. Dropped water level so all 4 netpots are 'quarantined'. Will just top feed for a few days and see what happens. Roots are just peeking out of three of the four. Can you spot...

Well, checked in tonight to see one seedling looking droopy. Checked water, brown-ish cloudy! Fook. Pythium. Again. I've done everything right except sterilize the room - which must be the root cause, so to speak. What the hell can they be eating to multiply?! The benefical bacteria I've...

Glad to have some company. Thanks. Added some low-level nutes last night. Plants continue to take root, nothing out of net-pot yet. Dropping temps down to lower 70s to assist in keeping RES cool. Dropped water to 1" below netpots, since the media and small rockwool cube were saturated...

4 Site RDWC in a large closet. The action so far: 1/18 4 seeds planted, kept at a cozy temps for germination. Inoculated germination water with Hydroguard as a preventative. 2 Starbud (Feminized - Cannabis Cup winner) 2 Sour Amnesia Starting with a freshly cleaned system - able to maintain...

This grow was flushed on Saturday night. Root rot was impossible to eradicate. System has been rebooted - new grow cubes started. Lessons learned: -root rot is sometimes unrecoverable. -cleaning a RDWC system sucks, unless it is completely disassambled, there is no way to fully kill and...

well - disaster. Two actually. I have been chasing a nutrient deficiency. I purchased a new PH meter, since I did not trust my old one. Sure enough, new meter (expensive one) tells me PH is high. Turns out, new expensive meter lost it's calibration in a week! Nutrient deficiency...

24hrs after adding beneficial bacteria. RES water is totally clear. There are new roots on all plants and the down-trend of leaf looks to be reversing. Leaf looks like it needs nitrogen, which I will increase strength of nutes, I was purposefully running a bit low PPMs. Photo of clear RES...

12 hours later - water is still clear, looks like ginger ale. Roots, still clear. Damn, this might have done it! PH slowly rising - we may be on to a recovery phase. Roots looking good, again. The true test will be 24-48hrs. Will update.

Here is a photo of my new microbe bucket with biofilter. Mostly, I think it just provides oxygen for the water and microbes in the bucket, but I might move the bio filter to the res once a colony gets established. My brew has been going slightly under 24hrs. Hopefully, it is ready for...

Weekend slime battle update. Plants hanging on by a thread... slime continues to give me headaches. I tired to bypass starting the beneficials in a separate bucket and adding directly to the res with the biofilter. I can say the biofilter helped encourage growth - of the wrong organism...

Update: This is the worst thing ever added to my res. Granted, I'm the one at fault, somewhat. I tired to bypass starting the beneficials in a separate bucket and adding directly to the res with the biofilter. I can say the biofilter helped encourage growth - of the wrong organism. Less...

This is an old post, but. I've got a case of brown algae / root shit that I'm dealing with now. Watch time-lapse videos of grows. They do relax to some degree at night but I think a root-issue (like algae) will make it more pronounced. Like an early warning indicator perhaps.

Trying Subculture B/M out now, because I have to (brown slime). They were just launched tonight. I'm trying something mentioned on another forum - 'Best thing I EVER added to my res...' https://www.icmag.com/ic/showthread.php?t=254482 A $20 aquarium bio-filter with the...

1/8 The Slime.... is back. Noticed the 'wilt' look, roots look fine however. Res change and scrub last night, sterilized with h2o2. The slime battle has been ongoing for two weeks now. Plants are stalled, but surviving. New roots are growing, but the sudden 'wilt look' tells me something...

1/5 - did a complete system clean, flushed res and refilled. What a difference a few days make! Beneficial microbes were not working.. so I am going 'sterile' again. I was losing the battle against the brown algae - it was time for some drastic measures. I TOTALLY cleaned out the system...

Post #334422 - A New Hope Root washings continue, today with just water. Roots had some slime, not much. Roots into the water are dwindling. There is a lot of new root growth on one Sour Amnesia, the others have signs of some new root growth. Some new growth on top, although it is slow, and...

Plants are limping along, still. Changed RES, again. Water was clear with light, dead particulate on bottom of buckets. Pulled netpots to find.. Slime. STILL ON ROOTS!! WTF? Washed roots in a bucket with 20ml/g h2o2. All plants showing signs of new root growth, some more than others...

I piped the o3 into my res to rid pythium. Damn, that stuff is tough. I ran the o3 generator long enough to give a dose that should kill anything (including myself). Roots are still brown and slimey. WTF? How is that even possible? Hate to say it, but I'm almost ready to give up on this grow.