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Havent got much of a clue on calibrating the ppm meter, bought a bunch of cheap testers for ph and ppm, so if i suspect wrong i double check with a new one

Thanks for clearing that up, i will do that

Also got any tips for the lights? Atm im using 1/6 of the power i have Ok so add 150ppm of cal-mag, then add nutrients so it adds up to about 850-900ppm and keep a close eye?

Says 1,5-2ml per liter of water, should i follow that one or go by ppm? Cal-mag that is

I usually check the res 6-8h after i add so i can see how it is when fully mixed, and i correct. Then i check and correct once a day maybe if it needs. But i will do once every 24h on next one. Should i add in Cal-mag into that mix? I havent used it so far Also the GHE says in the feeding...

Yeah i got 2 bubblers in a 70l tank Added a pic from my first growth Using different feed and light this time

Hmm its barely feeding from what i can tell. In a 5 days it has gone down from 750ppm to 670ppm. First days the ph fluctate a bit by going up 0.2-0.5 and i ph it back down and ph have kept stabile last 3 days. I was going to change res tomorrow, but i thimk i will do it today. I didnt...

Im in week 4 now since germination. I have had problems pretty much since the start of the lifespan. I am using GHE trio dwc setup. Running at near 700ppm now, its about half the recommended dose. The PH have been mostly stable, a few fluctuations which have been corrected within 12h. I got...

I changed the res, there was a lot of brown sludge in there. Looked like GHE micro. I scrubbed the tank with some soap and cleaned it off. I also had a light leak into the tank, which i fixed After setting the system active again i have same foam in the res and I dont really know what the...

A bit brow ish maybe? I do have a bottle of cal-mag but read that the GHE should have enough. I thought the roots was a bit discolored, but not slimy or anything like that. I will add some pictures of the roots later

Dwc 3 weeks in. Ph is around 6.1 and ppm is 750 The discoloration have been there for a while. I suspected it was first because i hadnt cleaned my reservoir properly after last grow. So i cleaned it and put it back in. Brown spots kept appearing after res clean and change. The white i suspect...

Yeah, i also had a 16 day delay on the shipping. Its the chinese new year celebration. I am ordering a bunch of stuff from there, most with a delay to mid feb. I knew this before ordering tho.

Ended up purchasing x2 260w qbs from Meijiu

Thanks for responses! Yeah i would appriciate a link to that fan. As i plan on having the tent in my bedroom it would be nice to be able to sleep there! The setup with silencer is for this TT silent exhaust fan which is mainly air movement sound, not that big of a hum. My old one was noisy af...

Honestly can't say you helped much as I find mixed information online in regards to the Chinese QB's but there is a lot of good reviews also, and they have the same warranty's provided by HLG and by the looks of it using the same drivers. Either way if someone had some hands on experience with...

Hey guys a long time stalker here on the forums and I decided to make an account for my second growth here. Finished my first one with a 600hps hydro setup a few months ago with a really nice yield. At the end of the growth my bulb went dark and it was most likely the ballast that was gone, had...