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Hi Im looking to add some far red 660nm leds to my QB. I have a few questions: 1) how hard would you drive them? 2) how many would you use to add to a QB288 for a 2ftx2ft space? Cheers! https://www.ebay.at/itm/222883148202?ul_noapp=true

Cheers. What if it was nitrogen toxicity? N is included in the veg nutes so if you cut back on that you're cutting back on everything else. So how do you reduce N but carry on feeding as usual?

Ive moved her to her proper tent under a QB288 and she seems better, still some twisted leaves but they seem to be straightening up. I dunno, for the first 4 weeks i have my plant in a small 1ftx1ft cab i made. I had exactly the same issues around the same time last grow, twisted leaves. I dont...

Have you been checking your ppm, you have a meter right? Looks to me like you have burned the crap outta her with too many nutes.

Cheers. This pic from GWE looks exactly like mine. Going down to 500ppm hasnt done a thing, ill dilute the rez down further see if that does anything. Will lower light too this will raise temps. Thanks for the input so far guys :)

Cheers guys. Roots look fine. I had a look at some pics of nitrogen def and yeah it looks very similar. Reduced ppm to 500 and put heating on to raise temps a bit. If it is nitrogen toxicity, will the clawed leaves straighten up if the lower ppm works? Cheers guys!

No thats not something ive noticed. I just checked my rez and it was a bit mucky, cleaned everything up lets see if that helps. She's a bit droopy and growth has been slower than expected. She's 5 weeks old today. Cheers!

And how many waterfalls in each bucket?

Surely to agitate the water enough to create bubbles you need to have the *waterfall* firing into the rez with some force so im guessing you need a powerful pump for this?

She looks hungry. What nutes are you feeding her? Ppm?

Hiya Can anyone help me identify what is causing this? Its kinda annoying! 4 x cree 2530 cobs (like mini 3590s), 48w. RH 70%, RT 20°. DWC ppm is up to about 750, it is still falling so that will probably go up to 850 soon. Lights are 12" away from canopy. It was much closer, the clawing seems to...

Ok I think I got it. Cheers!

So its a system only for RDWC with multiple buckets?

Hi Is this just having a submersible pump pumping water/nutes into the hydroton and feeding the roots that way and ditching the bubblers? Cheers!

Hi guys I ran a standard 288 301b qb last run and im thinking about upgrading. The 2 options are 1) hlg R-spec or 2) run my existing qb plus 2 of these: https://www.alibaba.com/product-detail/KingBrite-LED-Strip-Light-Samsung-quantum_62435851818.html?spm=a2700.12243863.0.0.38403e5fdQ5WyU Which...

Cheers OMU. Calibration fluid is fine, my other one reads them correctly. I've emailed them but no response yet. I'm possibly not calibrating correctly but it's so simple it's unlikely. In the meantime I'll have to use my bluelab but that takes 10 minutes to stabilise.

Cheers, soaked it in the ph7 solution for a good while last night...if its reading the 7 as 6.5 (if i calibrate to 4) or the 4 as 4.5 (if i calibrate to 7) then surely theres something wrong?

Hiya Bought this to replace my bluelab one which is painfully slow. I calibrate it to 7, it reads my 4 buffer solution as 4.6. calibrate to 4, reads 7 buffer as 6.7 - so it's not calibrating to both. Any ideas? cheers!

What lights are you using?

Hiya I used a Kingbrite QB288 v2 in my last grow, 60 x 60cm and managed 1.5g/w which is ok. Started thinking about upgrading, what yould you choose?: 1) Supplement my QB with 2 x...