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Go with the 550 V2 Rspec and dim it down to ~ 300 watts for 3ft x 3ft then you can use it for a bigger space later without having to purchase something else.

cerveza heineken? ¿Dorada es tan malo que necesitas beber las cosas importadas? alcohol, o como se le conoce aquí .... ¡El suero de leche del diablo! :lol:

Entendido! No confundir con el señor Wilson de 'Dennis' the Movie! Lol

Yea, I used hydroton too. I think new hydroton caused pH to rise until it stabilised. I set pH 5.8 - 6.0

Haven't hydro-ed in years but i used a water pump in the bottom of the tank to circulate the nutes/water to the top of tank where it poured in again, worked well. Why so low a pH, 5.4?

What medium are you using?

Possibly the air stone

quien es wilson?

These might be worth a look at too. 90cri, good spectrum mix, tunable with 2 channels. 24v https://www.digikey.com/products/en?keywords=BXEB-TL-2750G-3000-A-13 They are not the most efficient strip on the block but @Rocket Soul rates them so that's a good enough endorsement for me. Or the...

Light levels outdoors this year have been very low, loads of cloud and rain, so there will be plenty of folks giving their plants higher light levels. All my outdoor plants have suffered with poor growth this year.

Light levels outdoors this year have been very low, loads of cloud and rain, so there will be plenty of folks giving their plants higher light levels. All my outdoor plants have suffered with poor growth this year.

Just to clarify. My indoor temperatures are very similar to my outdoor temperatures. Cold! Lol Overnight temps can be as low as 9.1°C - 48.38°F yet outdoor clone stems stay green. It's 16°C right now. Does the Sun have the secret sauce nm missing in the white leds?

I'd be interested in the links too. In my experience, under the Samsung white leds 4000K at the moment - same with 3000K Cree cobs I get red stems whilst same clones outdoors under sunlight the stems stay green. Similar temperature and feeds. Indoor Outdoor

What size area are you looking to cover? 240W driver will suit up to 3ft x 3ft - 900mm x 900mm area or 2ft x 4ft - 600mm x 1200mm area. 2 x 240W drivers for a 4ft x 4ft - 1200mm x 1200mm area.

I had a look at Kingbrite website and it seems they use hlg xxx 48 drivers SO it should be ok for wiring in Parallel. Do you mean Hlg 240h 48A driver? I get ~ 270 wall watts from my hlg 240h 48A drivers. The 48A drivers have built in dimming on the driver. The driver has 5 Amps, so that's around...

Lol. Do you remember this shite on TV?

https://www.growweedeasy.com/cannabis-plant-problems/thrips Blue or yellow sticky traps. From Biobest Sustainable Crop Management website. Yellow traps are generally used as the colour attracts whitefly and thrips as well as leafminers and fungus gnats. However, if the key pest target is...

Looks like Thrip damage.

Dimming to save on electric bill. Versatility. Freshly rooted clones and young vegging plants need far less light so dim led fixture down and hang closer. Although there are HPS Ballasts that have dimming capabilities. I used to have Lumatek digital Ballasts with the ability to run at 250 400...