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if i remember correctly lm301b has 220 lumen/watts so not that inferior, plus we were all sure that lm301b was the only goto leb them lummatek made that monster using other leds. unfortunately cannot wait too much there are not many info specially on the pro version of the lm281

be aware lm281b pro has 213 lumen/watt while lm281+ has 165lumen/watts.

hallo shopping for some new light as i need many and this lm281pro has been proposed to me by hortibloom wich is my fav at the moment i have light from hortibloom kingbrite hlg and mejiu. lm281pro seems slighlty less effective but if they put more leds they can achieve same efficacy with slighty...

i have mega plus 650 the one with 2304 LM301 & 144 660nm is a great light, i also have an hlg 550 and some kingbright and and meijiu and hortibloom is my favorite. massimo

https://italian.alibaba.com/product-detail/newest-hortibloom-mega-plus-full-spectrum-commercial-horticulture-650w-led-grow-light-bar-62077419165.html in the picture on this link is the cheaper version wich has 2 row of leds every bar i think 1600 leds circa in the one you get for the price of...

i have a meiiju copy oh hlg550 1 year of usage already 6-7 led dont work. i have 16 288 board from king brite all work. hortibllom 650w megaplus arrived 2 weeeks ago it s a superior light it has 2300 leds seems unbeatable to me, and it cover so much better, plus the 5 years warranty vs 1 of the...

i received last week megaplus from hortibloom it's a great light if they keep promise for the warranty and you dont have to send back parts in case they break its hard to beat. i think i say bye bye to kingbrite meiiju .

i think you referr to the mega light wich doesnt use lm301 but different leds, the mega plus uses lm301b and dont have 672 of them but more from what i see it has 1280 plus the reds. and let me clarify i have never tried hortibloom mega plus yet neither sinowell flexstar, till now i bought from...

hortibloom have free shipping they are on alibaba too

to me hortibloom seem s more like optic slim with 8 bars, this seems similar to lumatek

hi guys i have already bought from mejiou and kingbrite, wanted to buy a ready made fixture i have seen hortibloom seems very good, what about this? do you know it? sinowell seems a legit company...

40-50 cm

ph i float around 6. at the moment i cannot upload better pictures sorry

Hi I have this problem on 4-5 plants out if 50. Grown in coco and led I give advanced coco a b , calmag 1,5 per litre and atami enzymes. Any clues is appreciated

3 weeks from seeds no way they are huge

Yeah john i thought so as well problem is the owner of the place is a woman in her 50's so she is anxious a lot eheh. Ty guys and riu you saved me 200 euros

tx guys for the fast answers , not yet checked the pppm nor the ph of the well i havent been there yet but the owner of the place told me to analize the water as it's from a well so i went to a lab and he said they would analize Ec ph and microbes mainly, as i can test ph and Ec with truncheon...

hallo first post on riu i have been reading you guys a lot last couple of months i am 44 after a 10 years break i am starting to grow again i used to grow in late 90's and early 2000's. so now i have a new space where i can grow but its in the country and is the first time i will use well...

hallo mate just registered just to ask how is the nalite led i have read your post whenwas just arrived , i wanted to get it but after reading they dont seem s6 and the electricity issue i may change idea. how is it going doi you suggest it? thank you max