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MAXSISUN 1000W PB Series Quantum Board vs Viparspectra VP Series VP1000 Reviews 2021

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420weedlight

With the explosion of hydroponics, indoor growing, and the LED grow light industry, it’s no surprise that there are a ton of companies in the market right now.

A few years ago, LEDs were all the rage and companies were touting incredible yields with low energy costs…

It wasn’t completely false, but the marketing claims were far greater than the lights actually produced in practice.

These days, the LED grow light industry has matured from both a product and marketing perspective. Two popular player in the industry are Viparspectra and MAXSISUN, whose lights are popular for beginner growers.

MAXSISUN 1000W PB Series Quantum Board

 

 

The Maxsisun PB fixtures feature a mix of 3500K warm white, 6500K cool white and 660 nm deep red diodes. This is a great spectrum for growing plants and it is also very good for flowering. But it’s not the best.

Most of the competing lights use a mix of 3000K and 5000K diodes, which means more red spectrum light. This makes them better for bloom, while the Maxsisun lights are better for vegging. That said, the difference is not that big. All lights work well for any stage of growth.

Some of the competing lights also include IR diodes, which these lights don’t have at all. The Mars Hydro lights also have UV, which no other lights have. Whether UV and IR has much of an effect is still some matter of discussion.

IR light is said to help during flowering, by speeding up flowering time slightly and also giving a boost to yields. UV light is said to increase resin production. Because UV light is only useful during the final weeks of flowering, it makes more sense to just get a separate UV bulb (this article on UV light and its effect on plants has some suggestions).

Viparspectra VP Series VP1000

 

 

Cannabis requires a minimum 300 micromoles of light during the vegetative phase and 460 micromoles of light during flowering. Technically yields will increase up to 1500 micromoles during flowering (see study cited below).
In my opinion the VP1000 is not strong enough to flower cannabis. Sure you can probably pull it off but it might be similar to driving a car with flat tires. Based on the intensity of light emitted by each of these VP Series models, I’d only use the VP2000 for flowering. You can use the VP1000 for seedlings and veg.
The intensity on the VP1000 and VP2000 could definitely be stronger, but considering the cost of the Viparspectra VP Series grow lights, I’d say they fall in line performance-wise. I always say you get what you pay for, so make sure you know what you’re paying for! Stick to the Viparspectra LED Grow Light if you need a full cycle grow light.

My Final Opinion About Grow Lights:

Overall, Viparspectra VP Series VP1000 and MAXSISUN 1000W PB Series Quantum Board are the Best LED Grow Light. But they leave a bit to be desired. My main disappointment is that they didn’t include the important infrared LEDs. The light on the VP1000 could also be a bit more intense.

With that said, if you choose one of these grow lights you’ll definitely be able to grow your cannabis without issue.

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