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I have a MH meeter with that and also those in EC...... from what I got from the manufaturer those are just the calibration standards used. and from the nute maker, I was told to use KCl. Now the bigger question? what conversion does it use the .5 the .62 or the .7 most people on here will...

if its not just bent but actually broke, yea tape it back straight and it will be fine. about 2 weeks ago I snapped the top right out of one of mine, was almost completely detatched.... thought for sure she was a goner. took some tape( blue painters tape) and the next day wasnt looking good...

Al No light can get to the roots at all, only light that has ever hit the nutes is if I forget to close the lid on the tank, but that has only happend a few times. it really doesnt look like algae that I am use to seeing( remember fish tanks) its more like a light green/blue, and there is...

Thanks I was wondering if I had say 2weeks or 2 days kind of a thing.... Well I pulled all the boys out, actually cut all the stems placed in plastic bag and then went back and started pulling out net pots and roots. some of the roots were big enough that I had to do some pulling to get the...

no doubt in my mind cool tubes work, ventilation and space was my problem. but that is for a different thread..... They have taken off like rockets 3 different types but some are growing@2"/day... some about 1-1.5". can I expect this growth for 2-3weeks and then slow down? I am able to pic...

Yea exactly what I said once I figured out what my meter was telling me. I just filled/flushed my tank with tap water 3times, I can switch on the pump/ cylinoied valve and pump my tank down, and the this is misting at the same time. with as much as it runs through, its flushed. I will run...

Al, thanks again for all your help. This being my first go at hydro, I knew I bit off alot building my rig from scratch and then learning as I go. But hey I am pretty smart, and figured there would be a few mistakes along the way. Found a BIG ONE, I found my major problem. after...

got a stupid question this thing has 3 different setting ( actually 6, 3PPM and 3 EC) they are KCl,442, and NaCl. The way I understand it they are different calibrations, but cant find a dammmmmmmmm thing out about them. I have emailed both the nutes maker and meter manufacture but thought...

Al Thanks for that chart, that thing should be a sticky at the top of this forum. Every thing I had seen said PH 5.5-6.5 I had been shooting for the low end (5.5-5.6)now I see(after it smacked me across the forehead) what I have been doing wrong, I will let it get up 5.8 and make that now my...

Thanks yea when I first started to see some of that show up in the leaves I did a rez change and then upped it to 1200PPM, but all this week those leaves have continued to get worse, but the whole time new growth looks good and has picked up, but the last 2 days some newer growth has shown some...

Thanks Al, ya know I should know better than that with the H2O2 and hydrogard.... that would explain the cloudy rez tank right away and then clear up after about 4-5days. With getting the nutes down to 68F now, and treating this whole time every 3days with H2O2 would you continue with that or...

Al. thanks again Just an update with a few new pics, I just tonight got a chiller up and running, bought one from a guy, turns out it was low on R134a, so had to get it refilled, now I will get the nute temps down to 70F Nutes were never real real cloudy and I kind of think it was the...

Al Thanks for your help An update and a few more questions/pics It was mid day on the 1st before I could get the rez flushed and refilled, hit it with 800PPM nutes. But by the time I got up in the morning a lot of the plants had really started to turn for the worst(see first pic) turning...

Thanks Al. PPM is 280 and has been stable, ph has also been pretty stable right at 5.7 I did 2 nights ago top off the rez with RO water, when I got it back to the top PPM was down to 230, think that even though they are just over a week old they need more nutes? They have some reall killer...

Posted this over in the plant problems forum but thought it might be better over here since I am true HP aero Pics are in this thread https://www.rollitup.org/marijuana-plant-problems/104763-mag-probelm-true-aero-setup.html#post1253240 Need some help, but thinking this is a magnesium def...

Ok got a temp/humidity guage in there and temp is right at 79F and humidity is 48%. anyone have an opinion to my babies?:confused:

Need some help, but thinking this is a magnesium def. leaves are currling not only up but also twisting too. True High Pressure aero set up, started from seeds( 3 types) placed in rockwool for about 1.5 weeks and then into the aero setup about a week ago. Using Ionic grow for neuts, RO water...

first hydro grow, but been growing other plants in soil a long time starting out from seeds, nothing to clone off of. built a aeroponic rig and will start on a cloning rig once I get this all running but for now I have a question once I get the seeds to sprout, then put them into rockwool...