HLG 350R vs Mars Hydro SP3000 For Flower

Gentlemencorpse

Well-Known Member
The 350r has a much better build quality and HLG in general has better customer service.

The Mars is totally serviceable though.

But both may be a little underpowered assuming you mean this is 2.5'x5'. At 12.5 sq ft I'd usually try to run around 425 watts. Either will absolutely work though so if that's your budget go for it. You can always add more light later.
 

Delps8

Well-Known Member
I agree with the gentleman above - that's a big space for either light.
The HLG has a lot of blue in it. Blue is great for compact plants but a couple of researchers have shown (Bugbee just released a paper on this) that increasing the % of blue light in flower has a direct, negative impact on yield.
The PPFD map for the Mars is pretty good - there are a couple of independent sites that have provide that info.
And I voted for the Mars with my $$ - I bought the SP 3000 earlier this year. It's worked well for me. On the other hand, I have zero experience with HLG.
 
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