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My pH has stayed stable since I switched to mostly distilled. I'm just having what I hope is some algae from light leaks, but I addressed that and plan to do a full res change this weekend. Roots are taking off now, and are still nice and white (except for some non-slimy stuff floating around...

Look up "Oxine"

Found some light leaks through the net pots. Covered the tops with foil and made sure there were no more light leaks. Hope that was just some algae and the problem is now solved.

Saw some weird stuff floating around in my res bucket today. 2 girls, Start of 3rd week since sprouting Temp: 72.5F (was 68 in the morning) Nutes: 2.5ml/g each GH Flora series pH: 5.9, stable since last night Water level, stable Added 5ml of 34% H2O2 this morning Air stones in each grow bucket...

Can I just use an equal mix of sterilized tap and distilled or just all tap and skip calmag? Girls are doing much better now though. Bumped nutes 18.5ml/10gal last night (325ppm) and will add 6.5ml more tonight to be on track with this suggested schedule since many said GH's published...

iirc, UV-C will cause the iron in your nutes to percipitate. I'm not sure how strong/fast it will cause this though. I have a cheap 5w UV-C bulb that I use to sterilize tap water and may use it to briefly irradiate other things for sterilization, but I don't think running it constantly in a...

Some people swear by UC Roots, while others say to use pool shock as a cheap alternative. But pool shock/bleach is actually slightly different than hypochlorous acid (HOCL, the stuff in UC Roots). But, without going into that rabbit hole of a discussion regarding the two, it seems like recent...

https://www.researchgate.net/publication/270607225_Ozone_Microbubbles_as_Disinfection_in_Nutrient_Solution_and_Their_Effects_on_Composition_of_Fertilizer_and_Growth_of_Cultivated_Plants Mn and Fe levels dropped, but I don't know how much.

People worried about heat, why not detach the driver and have it sit outside the tent? my Mars tsw1000 has easily detachable driver/dimmer modules and I run outside my tent.

You'll need to add more rocks to cover all the holes so no light can hit the res water. Light penetration = algae.

Turned lights down and raised them. Looks like i decreased lights too much. They’re reaching for more just a few hrs later. Going to try this Korona ppfd app and adjust to 200ppfd. Used that app and it showed i may have moved the lights up too much. Moved lights slightly 1-2” to hit 200ppfd...

increased from 40 to to 50% str, turned lights down to minimum, and raised lights. Doesn’t look like light burn since the newer leaves look fine. From all the pics I’ve seen, light burn will affect the top leaves first but my issue is affecting the bottom first. Feels like it’s not getting...

Total PPM measurement. Filtered tap measured at 240ppm, so it should be 24 once diluted w/ the distilled water. Added 10ml of each Flora nute to bring it to 200 total. 5 days ago. Always added a bit of H2O2 to the res to prevent any type of growth and to oxygenate the water some more...

Not much response in the newbies section so I’ll try posting/updating here instead. Hope this is okay? Everything seemed fine until two days ago. Not sure what’s going on. 9gal distilled 1gal filtered tap 50ml 3% H2O2 added two days ago (should be all gone now) pH 5.8 ppm 200, gh flora 3part...

Don’t look and better this morning. What could be the problem? Roots are touching water, lights are at 25%. I’ll lower ph to 5.6 today and check after work.

fwiw... take a look here. https://www.chemicalforums.com/index.php?topic=98713.0 Also, with commercial production of HOCL, NaCL solution is electrolyzed with a one-way membrane that separates the Na and OH so that only pure H+ and OCl- is left. https://www.aquaox.com/technology/ So from what...

Cubes were still pretty damp and she’s definitely growing out roots. Just not past the nets. I’ll check back tomorrow morning and see how she’s doing Any possibility my nutes are too weak or perhaps a light issue?

Hmmm I’ll remove some hydroton and take a look. My cube should be just at the water line though, and there were a few 1cm lengths of roots sticking out when i transplanted. Going to raise water level and throw some more air stones in there for now and see what happens.

Seeds started in rw and transplated into the net pots in the 1st. lamp: Mars ts1000 lamp at 25%. water: 10gal total (9gal distilled, 1gal filtered tap) Nutes: gh flora, 10ml ea, 200ppm pH: 6.1 Water temp: 68-72 Tent temp: 76 Rh: 45 leaves on one place has been a bit light colored but that...

Last I checked, my local Walmart had some. 12pk for ~$35. singles packs used to be available but ymmv since it's winter now.