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Been doing some more research and it looks like it might be Boron deficiency.. might be caused from some low Rh on occasion.. apparently it can be linked to cal/mag issues too..

Rh is around 65 or so.. can get down into the low 50’s on occasion depending on the exhaust fan cycle which is on for 15mins every hour.. I did see it spike up into the 80’s though.. two small fans for circulation in this 3x3’ tent.. what are your thoughts..?

I’ve been battling with these seedlings like never before, had them in party cups in flood and drain for a month or so.. Been trying to combat magnesium deficiency for a while now too. They’re in coco btw.. Just when I thought I was on top of it these brown splotches appeared overnight and I’m...

I’ve been flowering with CMH for a little while now, mostly with the 630de units although I also have a couple 315 units that I move between veg and flower. Overall I’m happy with them, particularly the quality that they seem to provide. I’m looking at extending my flower table from 8x4 to 12x4...

Some DNA strains are available here now.. quite a few of the Sorbet line.. I don’t know much about them. Price point is a bit better actually..

Hey guys I’m looking for some new genetics and have been drawn to Ocean Grown for some reason, mainly after following all the guys on YouTube and Insta. Added to that is the fact that these strains aren’t readily available in South Africa and it would be nice to have something different. I...

I have three foot so it’s not too bad.. too little for a 1000de though I’d say..?

My other option in this country is this.. http://www.ocl-lighting.com/en/products/complete-fixtures/ocl-750w-xl-serie/

Thanks man.. I’m assuming it’s not possible to put a 750w lamp into a 1000 and just run it at 750 or 825?

So the reality is that I don’t quite have the ceiling height for the 1000de Gavitas but I do for the 750 Flex.. Where I am the supplier only brought in the 1000’s though because the pricepoint between the two is actually pretty close. Is there any reason why I couldn’t just run a 1000 and dim it...

I’m going to have my mini split installed in the next few days but I’ve just got a couple question..? Does the a/c blower emit any co2 at all or must I vent occasionally to ensure sufficient co2? Would it be better just to leave my fan running 24/7 anyway? Although I would think it would cause...

Looks like it, I watched the clip. Only hassle is it probably has US type plug sockets..:neutral:

Yeah I like the look of that unit.. all in one

This is why initially I might not run co2 and just vent.. I would just need to find the happy medium between not wasting too much cooled air and making sure that my plants still have normal levels of co2.. :confused:

Ok so do you set your a/c to maintain the same temps during both lights on and lights off cycles..? I do have a dehumidifier..

Yeah I’m having my a/c pre-charged with refrigerant, it has quick connect hoses and just requires bleeding - no vacuum pump necessary. Is it not true that excessive co2 during the lights out period is actually harmful to the plants..? If one is dosing just via calculations and timer it might be...

It would be nice to have a completely sealed room eventually without any vents if possible..

Yeah I am definitely heading that way.. I just want to get my temps in check at this stage and then work on the co2 setup.. So do you plan on having zero vents/ venting in your room? Does one not have to dump the co2 at lights out somehow..? Also are you not planning on utilising a co2 controller?

Ok thanks for the advice man.. yeah I opted for a larger unit hoping for more efficiency and also to have scope for a further light.. The cycle timers I use only have increments of 15mins so should I vent 15mins every hour or every two hours? I’m not sure how fast the plants go through the...

Ok so after much thought I’m installing an18000btu mini-split in my flower room next week.. I’m currently running 1890w of Cmh over a 4x8 table but I’m plotting on adding a further 4x4 and another 630de Cmh for my next run as it will just fit. I’ve been growing for a few years now but I’ve got...