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If you really like the light id just try to get another new driver from a decent distributor and a good brand; meanwell/inventronics are usually top, as long as theyve gone thru proper qc. I have a feeling that a lot of the cheapo drivers from alibaba and some china lights are likely to be the...

You may not have to send the entire light back as what you describe sounds like an issue with the driver. Does the crackling sound come from the power supply? In any case contact SF and if you dont want their service post a pic of the label of the power supply and peeps here can identify what...

Yes, unless you have a place in your grow where youactually need the heat, for example a veg room.

Id use the maxi brights and adapt my environment to led growing. 20-22C will not cut it with a 40w per foot led grow. Raise temps a bit and try to follow vpd until you see your plants transpiring really well. Then you can slowly turn the light up. Usually increasing feed a bit as well is...

Following to see the review :)

It pretty much have everything one could ask for a low hanging 4x2 light. Nice spread, plenty of watts, double bluepeak, strong red spike and a bit of far red.

With autos you can generally go a bit easier with light than on photoperiods.

The dirty little secret is that these mid range lights generally botch their numbers a bit, here around 10% on the mars: https://www.rollitup.org/t/growdown-mars-hydro-vs-grow-lights-australia.1076599/

What factors in quality are you looking out for? Do you have any expectations regarding how the plants grow under each? Just trying to figure out what nitty gritty metrics youre looking at with these two lights :)

Its a good deal for hlg and nice spread but plain white, no supplements seems a bit simplistic.

If you contact GLA with your parameters (desired hanging height, watts per strip/board, size, reflective walls they have software that can generate your ppfd. All their gear are reliably tested by a gonio which has the added value of digitizing the light throw (its a weird meter that measures...

https://www.rollitup.org/t/lux.1096586/post-17478269 Even better; you can use a lux meter to estimate ppfd using GLAs lux to ppfd conversion factor : 0.022. This means your pretty standard 50000lux means 1100ppfd. And for those who want to go even deeper; boards and strips have been...

Im not in love with this. Too little red and too much green and blue for my taste. Theres a huge dip in-between 550 and 660nm, where i generally would want a lot more spectrum. And blue levels seems somewhat higher than red, this generally means easier growing but maybe some loss in yield. YMMV :)

Its very easy to do, as easy as peeling a wire and pushing it into a pushin connector made to take it. The HLG boards would all be connected in parallel so youd need some wago connectors or terminal blocks. Id refer you to Growmau5 video series but its sadly a bit out of date, all chips are...

It will only cover a 3x5 rather poorly, not enough watts. Its also not clear how much youll be able to rilun this light at full power; those boards at full power need a lot more hang height than what youd think which means very tall tent or short shitty plants.

Im from Ye Old Times when all of the riu led section was diyers looking to build with cobs inorder to get a good led light for a reasonable cost. Then light prices dropped radically with lots of new china lights and DIY is no longer much of a saving in cash. But its really good for preparing for...

6.5 is not very much height especially if youre doing your carbon filter inside the tent. Hanging height should be on the top of your list as buying criteria. Bar lights are good for your lower hanging height. Remember that there is another HLG alternative that you havent explored: just buying a...

Whats your general expectations? What are the details youre looking close at? In general those 2 lights main difference is the amount of green in the spectrum. Will we be getting any photos? Thx for doing this, ive been looking out for this very comparison :)

Do you reduce light due to plant health/over lighting or is it to give less light for less stretch? We use the second quite a lot and turn up the juice around week 3 or 4

Since investigating my favorite weed ever - Y griega; Amnesia and kali Mist; i have been looking for a plant that could do the same but fit into our grow schedule of max 9 weeks. I think i may have found it, looking to buy some nepal jam x kali china from Ace for next pheno runs.