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I’ve not had any issues in veg with the old recipe. For me I get very healthy growth during veg. I am in a very hard water area though so maybe the extra calcium or mag in the water supply somehow helps. The thing with autopots, in my experience at least is that they are reasonably forgiving in...

I do use solufeed Tec (micro nutrients) at 0.2g per 10 Lt to bolster the base. I had it left over from treating a suspected deficiency before moving on to your recipe. Thought I'd start adding it to the mix. Maybe why I can go so low as 0.2gpl with the base. I did run dwc for a while (before...

P.s I just realised what I wrote about increasing the calcinit & Epsom salt levels was completely wrong! I increase each by 0.05g per litre. I wrote 0.5g per litre! That would probably burn the hell out of any plants. I essentially mix up 10Lt at a time & drop in an extra 0.5g of Epsom &...

I’m sorry Flowki I don’t go into as much detail as counting & recording my ppm’s for individual elements. I do keep a record of my EC though if that is any help. The highest I have gone is 1.3 in weeks 1 & 2 of flower. My last grow I didn’t go over 1.2. Week 3 I’m working down to around 1.0...

I've been using your previous recipe at a max of half strength for just over a year. I also grow under cobs. I tend to jack up the calcinit & Epsom salts by 0.5g per lite at the end of veg & into the stretch. Once the stretch is over I revert to the standard recipe & just slowly reduce the base...

Looks like a calcium deficiency. What stage are they? How many weeks into veg or flower? Are you really running your cobs 9ft away from the canopy? I normally have my cobs just over 1ft away. What wattage are you pushing out of each cob?

LED deficiency is a made up term that equates to a grow not dialled in plain & simple.

200w is all you need for veg in a tent that size. Lights 10-20cm away from the tops. Look for preying leave's & you know your in the ball park.

I've been using 3500k LEDs for nearly 3 years. The only issues I've had have been the result of me over or under feeding. I think most of the people having issues just haven't got their grow dialled in. In the past I've used blurple, cfl & HPS. White LEDs have out yielded all of them using less...

Thanks for the replies. Grand Daddy Purps is the only one I can get in this country. I'm not really into Indica doms. I generally prefer hybrids, preferably more Sativa than Indica. What's the buzz like?

I'm considering giving candyland a go. It's described as being sativa dom but considering the parents I can't see how that can be. Has anyone grown it? Did it turn out more sativa or more indica?

I just use a pump & drippers. Works well enough bar the manual clean-up of waste. I’ve already sized up some totes for a dwc type system. I am just leaning about uniseals & bulk heads at the moment.

I’m in the UK & Pro-Mix is not so widely available inn thiss country. I was under the impression Pro-Mix is just a 50/50 blend of Coco & Perlite with some bennies thrown in?

I ran an air stone in a bucket in the room in question yesterday & went outside to see how noisy it actually was. I couldn’t hear it at all, even when I stood right next to the window so I may have been worrying a tad too much. That said I still want to minimise the noise produced. I’ve also...

Interesting. So, are you saying you have a system on a timer which feeds through the top basket until the excess runs up the blue tube, through the extension you’ve added to a drain? How do you measure the EC from the pots? If the run off is a mix off old nutrients & what’s just been added the...

I’ve been running a 50/50 mix of coco/perlite for a few years now using a drip system. Bar manually having to suck up the run off with a pump it is s very simple & effective system. My issue is I am just about to upsize my grow & disposing of media has become a real drag. Disposing of more...

Didn't think of that. I guess it would be possible to extend the drain pipe so it reaches the edge of the tent. I'll have to have a think about that. Possibility. Cheers

I grow under scog nets so I need something that has an external res. Once the net is full its near on impossible to get to the pots to do any sort of res change. Otherwise this would have been a good compromise.

First of all, thanks for all the help. I think I am going to go with a drip style flood & drain system initially. It’s what I have been using with coco for some time. I’ll just add automatic drain system. The only difference is I’ll try using 100% clay balls as the medium. I normally veg out...

Dwc would be ideal as I would like to get away from using media of any kind. I've read a fair bit about waterfalls & that maybe do'able but my concern is if water can be heard constantly running at distance. I guess there is no way to tell without biting the bullet & buying or building a system.