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Just to clear up the air, i would rather use GH ph down as phosphoric acid is also food for the plants vs using sulfuric acid, I only posted this info incase someone else is having issues keeping their nutrient tanks clean of bacteria.

The basic ingredients of pH DownTM are phosphoric acid, citric acid, and mono ammonium phosphate.

So im back after many experiments and would like to share my findings with you guys. I realized after many may hours of reading that the issue was with my ph down, yes ph down lol. I was using general hydroponics ph down which contains phosphoric acid and this happens to be food for bacteria...

Good point, I have a par meter and once lights come on I'll check quickly just to make sure

I have video that I just made for this current grow so you guys can watch it if you want. I just made the video yesterday so it's pretty current.

Wow you think air flow or rh could make a difference like that? That's crazy, I would of never thought of that. Thanks

Plants are all the same, lights are a little different but all are high end LEDs, I have gavitas hlg650r hlg scorpion Diablos

Excellent idea, I have not checked for blockages. I will do that today as soon as lights come on. Each meter is kind of attached to it's system so I can take it off but it would be a pain to be honest

Bluelab is not able to be calibrated but I can calibrate the hmdigital. I just find it hard to believe that system 2 is eating so little with having more plants vs system 1.

hey all, I have a situation which i cannot figure out so i am here to maybe get some answers. I have an RDWC system ( 2 of them ) 4 lights each. System one has 20 plants under 4 lights and System two has 24 plants under 4 lights. Now Yesterday i did a water change and my ppm was 1000 for system...

did your light come with a ppfd map? like how much light it puts out at given distances? im asking because 200watts might not sound much but if you get it too close it could be more then a plant can handle, normally in veg state u want to be 200 to 300umols/m2 , now if you dont have an expensive...

.1 to .2 ml per gallon or easier 1 to 2ml per 10 gallons

ok so i made a new rez and gave it 3ppm of chlorine, orp is @587 lets see how this holds or how long it holds for.

https://amzn.to/3cg2Ht5 this is it. i use it all the time but u gotta be careful with the dose. its 1 to 2ml per 10 gallons

oh ya i 100% cover it but im saying some light might be leaking through from the holes i made for the pipes. as in its not 100% leak proof.

check this out . im copy pasting Cyanobacteria found living 600 meters underground without sunlight. A team of researchers from Spain, Germany and the U.S. has found a type of cyanobacteria that is capable of living more than 600 meters underground—in the absence of sunlight. Cyanobacteria...

tap with 3 stage filter ppm is 250 after the filter

GH micro+grow+bloom+calmag i know airstones or water with hi DO levels prevents algae from growing but my issue is not the algae but the dam cyanobacteria, this nasty bacteria grows almost anywhere and in any condition. Even adding h2o2 does not kill it rather boosts it, its weird. only thing...

@Gemtree I tried that as well , it was working ok but i was worried about what else might be in the bottle of bleach so now going to test it with shock. @BobThe420Builder I used to have air stones in there but took them out as cyanobacteria feeds off that and does not care about light, meaning...

could be light stress, u mentioned how high your light is from the plant but not how strong your light is. usually curling is a stress towards heat (im not an expert) but this is easy to test. either dim down your light or take it up higher. and flooding 4 times a day is perfect in my opinion (...