best light for start to finish under £1000.

[toblue]

Would be the Lumatek Zeus 600W Pro LED. Unfortunatly I need the heat from my HPS or the heater is on even with lights on.

This is the video worth watching just for the HOT AS FECK presenter


https://www.youtube.com/watch?time_c...ature=emb_logo

[widowsmite]

Bought one the other week, going to be using it along with either 1 or 2 315w cdm’s in a 1.2 x 2.4 tent. It’ll be a squeeze! It’s unreal how bright it is, camera can’t cope with it. Sound a 10% discount code too
In regards to replacing a 600w HPS, this is more like replacing a 1000w HPS for its output but it’s dimmable so I thought I might as well go for it and turn it down if need be. I doubt it’ll give enough radiant heat out for winter as the attic gets really cold but it’s nice to be able to swap setups and go all year round.




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[widowsmite]

I Also prefer x2 315 CDM’s over 1 X600 hps for a few reasons;
2 of them I think equate to slightly less heat then a 600
2 CDM’s will have better PPFD per watt than a 600, so more light per watt.
2 CDM’s spread the light more evenly rather than a big hot spot in the middle
2 CDM’s can cover a broader/fuller spectrum , for example you could run a 4000k bulb with a 3000k or mix it up with 3500k’s or 3200k’s. Depending on the age of the plant.
CDM’s have a tiny bit of UVB in them too, not much but it does seem to they produce slightly frostier flowers on average.
Down side is they’re double the price of a hps setup for 1. However they are coming down and the non Philips bulbs are absolutely fine. I buy them at £45 each rather than £100. Hence having a few different bulbs on standby for a bulb blowing or a change or variance in spectrum.
Hope this helps, here’s my 1.2 x 2.4 x 2.0m tent with 5x 315’s. It’s still pretty cold at night so I put the middle reflector in with a 4000k bulb to keep it around 25°c and give off a nice spread of blue for flower along with the 2x3000’s & 2x3500’s. Last 2 weeks I’ll swap it out for a 3200k for that last bit of extra red to hopefully finish them off.
Also I’m running a UVB R8 1m strip on a separate timer to enhance the trichome production. I would also look into UVB if you’re upgrading your lighting





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