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If I had lights for flower, I would... this has got 740nm diodes and 660nm diodes too? Thought red spectrum was better for flower?

I know nobody asked, but here's my little tent. TSW 2000, 1 gallon humidifier, fan clipped on the side of the light pointing directly at the plant. AC Infinity T4 fan, nice big carbon filter... radiator is just to ensure night temps don't drop below 23c. I elevated it to ensure it wasn't just...

Lockdown has its benefits... keeping water between 18.5 - 20c (64.7-68f). At the moment the grow tent is 30c (86f), which means I'm taking 2l out and adding 2l in 4 times a day! RH is stable at 55%, so I've got everything dialled in. Currently at 720ppm (1.4EC) in the nutrient solution - just...

I bought a bucket with a 'fill level' pipe. The water never gets a chance to get stagnant, as that's where I syphon 2l of 'hot' water before adding the 2l of chilled. It'll make for a useful emptying port by the time I get to that point

Lol... yeah I was wondering how to deal with things when I get to that stage! Was hoping that the silicon would strengthen the branches enough to not need the netting!? Not holding my breath! Guess that's another reason why this advice (using chlorine in whatever guise) is good advice; I'll be...

Usually when I do a res change (once per week), I put the plant in my 2nd bucket while I fully clean the black bucket it lives in. It gets a full wipe/rinse down every changeover

Thanks - will keep with my current regime for water changes then and still maintain the 64-68 range. Roots aren't pure white, but I'm using Flora Tripart (apparently, this always dies the roots slightly) and have also been using Rhizotonic. There's zero funky smell coming from the roots (but a...

With regards to DO, I've got more bubbles through the tank than required based on volume. I'm using a 100mm disc, which is sat directly under the root mass... so even if DO drops, I know the air is accessible in the water where it matters most. I'm running a gap of approx. 1.5" from bottom of...

Received my pool shock today! Thought I'd go with 4ppm as the first treatment, as I've actually got quite a lot of very small fragments of broken-off root hairs in the bucket. Just a last couple of questions @rkymtnman or @Wastei 1) How long between doses? 24hr or 48hr? 2) I'm assuming I can...

Most people say 64f-68f (17.7c - 20c). Some say that below 64.5f (18c) metabolism slows, and above 20c increases nutrient availability due to lower water density. But 64-68 is optimal for inhibiting pathogens/bacteria in the bucket, which is the main point.

Migro Aray They're bringing out a new config which would've been perfect for my space. Impatience got the better of me though!

Seems I was wrong.... the red peak is 660nm on the TSW. That said, it does venture into the 680 range. Interestingly, it also incorporates far red (730nm) diodes in the rig so it seems I'm getting SOME of the emerson effect already. Looking at the spectrum map I don't doubt some supplemental far...

Not heard of Emerson effect before... was just doing a little reading and it's fascinating! It's certainly got me thinking about supplemental lighting (TSW is pretty good for 680nm range but nothing past that). I'm definitely going to do some further research. Canna Boost includes vitamins...

I've learned lots! Thanks all. @rkymtnman I just built myself an NPK calculator and can mirror your NPK with 30% Micro, 60% Grow 10% Bloom. Rhizo will be coming out and chlorine will be going in... going to keep with 2ml/l fulvic and 0.6ml/l on liquid silicon. Will be interesting to see how my...

The Canna Boost is a metabolism accelerator; I'm absolutely sold on using it. As for the rest? I didn't know when I bought them (naivety when visiting the hydro store), but they seem to be just NPK optimised for particular phases. I've no idea what's the Flora Kleen but it apparently helps leach...

Let's hope so! My general philosophy is 'test everything'. I'm not hoping to produce a monster on my first grow - if it gives me enough smoke to last to my next harvest, I'll be happy. Just wish I'd started 2 plants so I had an experimental control... will definitely do that next time. I...

I've got pharma scales accurate to 0.01 (despite the early suggestion about chemistry, that's actually my job! Botany on the other hand... I've only just started learning) :)

I generally adjust pH down to 5.5 and let it climb back to 6.2 before adjusting back. At the moment I'm having to do that every 4-5 days. If chlorine saves me that ball-ache I'll be a happy man!

Wastei, Failmore, thank you both very much for the advice - appreciated. I'm due a reservoir change at the weekend, so at this point I'll take out the Rhizo and go instead with the Chlorine... can get 1kg on Amazon for £10! MUCH cheaper than any 'specialist' products such as liquid oxygen...

I'd quite happily switch out Rhizo - main reason I got it was for root development and stress treatment... roots are now plentiful and healthy relative to size, and this stuff's not cheap. So when you say bleach, I'm assuming that means anything unperfumed from a supermarket? What sort of...