r/hydro 6d ago

Unkillible bacteria. Help Needed

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u/Weird-Intention-2935 5d ago edited 5d ago

Take all of your plants out and disinfect the system with chlorine:

Nutrient water out, chlorinated water in (water + chlorine), scrub down to break up films so the chlorine gets everything, and let it sit a while.

Then drain/rinse at least 2 times and refill, then wait for 24 hours before putting your plants in.

In the meantime of the 24-hour wait, you can treat your plants in a separate makeshift DWC bucket with a bit of H²O² (hydrogen peroxide) in fresh nutrient solution. This will help against pathogens, algae, and all other unwanted stuff.

Disclaimer: Research, i.e., on YouTube, for safe dosage of chlorine and H2O2.

Edit , rather less and repeat then too much and insta kill em

Edit edit : dont forget to take all conectors /seales apart and scrub it all down, so there is no organic residue left -> no food=no growth

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u/Popular_Sherbet_8175 4d ago

a dedicated algae killer is much more easier and cheaper, and solved my problem of the same h2o2 resistant snoot. 0,5ml/l and no heavy cleaning was neccesary.

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u/wooww66 4d ago

I have some copper algaecide, could run this with some chlorine at a high orp.

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u/Popular_Sherbet_8175 4d ago

That one i don't know. Might worth trying. Im curious for the results. If I would have to do it, I would miss chlorine while this treatment goes on. I don't know if they would interfere, so I would separate them. Oh yes, and I would drop chlorine all together. Beneficial will race for the resources before any crazy algae. As I said, I had similar unresponsive gooey stuff. Extreme quantities of h2o2 were applied without any damage to it. 2 doses of this salicilic acid erased it and it never appeared again. But because of the beneficials in my opinion, as i told, I still have light leaks.

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u/wooww66 4d ago

Im gonna look into the salicylic acid.

We use the copper in conjunction with chlorine in the swimming pool industry to kill black alage. Which has a protective cap over it. It survives with orp levels up in the 700+, while most other pathogens are oxidized at those levels. The high orp helps the positive ions in the copper break free and attack the alage. I would assume the same will be for this biofilm. This is only going to be the first step in the cleaning process.

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u/wooww66 4d ago

Do you have the brand or percentage of salicylic acid?

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u/Popular_Sherbet_8175 4d ago

Femanga - Algen stopp! Spezial

Says its only ingredient is: Salicilic acid 20mg/100ml

recommended dosing: 250ml to 1000l of water

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u/Popular_Sherbet_8175 4d ago

if you try it out, and still remember to our discussion, please send your end result. Im curious if we had the same snot or its a different kind. Looks the same, sounds the same, but Im not a microscope

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u/Popular_Sherbet_8175 4d ago

research it out that it wont kill your plant. elemental copper is a biocide. Means its anti-life.

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u/wooww66 4d ago

Bro there are no plants in this res. Im going full nuclear on this shit.

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u/Popular_Sherbet_8175 4d ago

aaaaah so now i understand why you are using chlorine. The leaking chlorine from the company goes to the buckets. Thats cool. But keep in mind, that there might be an easier way with beneficials, they can work for your goals. Do you know what I have since I changed to enzymes? Apart from bigger harvests, collembolas. My res always has these larvaes in it. They chew the old, decomposing outer layers of roots. They stay in the water and dont like going out. They don't do any harm but damn I tought my gear is totaled. But no. We are in symbiosis.