MARS HYDRO FC6500 730W Samsung LM301H EVO LED Grow Light 5x5, 1530Pcs Diodes with Smart Control Function, 730W Full Spectrum Foldable Dimmable Daisy Chain Grow Lights Bar for Indoor Growing

Great light just set up and plug in and off we grow

Nice looking light. Super bright. Unfortunately the power switch and dimmer failed after a few days of use. Contacted customer support by email and their website contact form m, but haven’t heard back from them yet. Update. Customer service got back to me. Turns out total user error (that’s me). There’s a dimmer switch on the back of the control box. I must have bumped it while adjusting the driver/control box location. Flip that switch and all is back to normal. Customer service contacted me by email and nicely explained my error within 48 hours.

So I have bought a couple of dozen grow lights and influenced the buying decision for a charity that bought in bulk from Mars Hydro. This is a good light that performs well. On this model I actually had a problem with the light and I contacted Mars Hydro. They troubleshooted the light with me and when it could not be fixed replaced it. They only required a small payment for shipping the new light. This light had operated in a harsher environment in a greenhouse than many of my other lights. I have found that the Mars Hydro SP3000 lights are more stable in harsher conditions and none of them have failed. They only required a small payment for shipping the new light! What I like best about this Mars Hydro light is the very even coverage I get over a large area. If you want a light with product support, this is a great choice.

DO NOT BUY !!!! I had a Mars Hydro FC6500 in use for just about 2 years. The other day the dimmer failed. I'm no longer able to adjust the intensity. It's either almost no light at all, or the light of the sun in your face. It's taken 5 days of emails with customer service in China to tell me that I can pay $420 for a new lamp right away, or I can pay $20 and wait 2 months for them to ship me a new driver for the lamp. They asked for my personal information as well as PayPal information. It seems all too much like a scam to me. Don't buy from this company. At least buy from one that has customer service here in the USA. Will not buy from Mars Hydro Again !!!

Insanely bright. I describe it as sunlight. Really good for wattage, getting the sp3000 for veg tent now Update. Plants in 1 gallon pots 11/4 Transplantes 11/5 in 5 gallons 11/11 they are exploding with growth under the fc6500! Iv been trying to dial in how much light they need in my 4.5x4.5 grow tent. Iv upped it to the hash mark just under 75% so far at 22 inches from the top of my canopy with no burning. All I can say is the light is amazing and worth it over old blurples I was running. Update 11/18 I realize when you hit 75% on the dimmer it jumps to 100% power draw (tested with wattage meter) So you can run 100% at 24 inches just fine, atleast I was. First day of flower for me. I'm excited to see what it can do!

I bought a FC 6500 in August of 2021. I liked it. After a year I bought a 2nd FC 6500. During the installation of the 2022 model, the driver for the 2021 model fell, yanking the 120v connection, causing it to sizzle & melt together. I grow in a tent and I like that I can have the drivers outside of it, due to the unwanted heat coming from the drivers. I contacted Mars Hydro and was told no problem, don't worry. They sent me a new cord, adding that if that doesn't fix it, we'll go to the next step. A new cord arrived in a week. The cord is replaced and the light is back on. This is a tuff light! I'm very satisfied, and recommend this light for growing tomatoes and other plants indoors.

My light failed 5 months out of warranty. I filled out a form on Mars Hydro's website and received an email reply the next day. After some back and forth they emailed that my "WAGO" needed to be replaced. I paid them $15.00 for shipping and received a tracking number. They said 7-15 days. It is now 30 days later. I still don't have a part. You can't talk to a person, only email and get a robotic response. Update: finally received a part.

It only lasted about 9 months before burning out. All connections and power are good and tested. Prior to that it flaked out and flickered numeruous times. It's a good light I believe and has plenty of coverage if it had lasted longer.

I received the light and was packaged well. The light bar spacing did not match the pictures on Amazon and came with a mofo driver instead of the Inventronics driver that was shown in one of the pics. I'm not sure if the light bar configuration is better or not and if the driver was better, all I know it did not match what I ordered. I gave the light a chance but the driver stopped working after 2 weeks or so, I sent the unit back for refund. The pictures need to be updated on Amazon. I had some problems with a Mars grow tent zipper and now this, I'm done with this company. In fairness I must say that I was happy with the light until it stopped working.

customer service worked hard to get replacement parts

Previously to my last review, Mars Hydro has answered my questions regarding the FC6500. They have gone above and beyond my expectations. I highly recommend their products and will continue to purchase from them. Special thanks to Julia at Mars Hydro who knows the true meaning of Customer Service!! -Jim Barnes

Bought a 2nd FC6500 as I was very pleased with my 1st purchase. But product I received was defective as the light rods were not put in the proper holes leaving a wide gap in the middle. Gap is way to wide to safely install light box. Tried putting light box on either side instead of middle but the fixture hangs lower on 1 side. I called customer service and was told not a defect, but a new design and to try installing light box on either side. Unless customer service at Mars Hydro have a change of heart today, I will be returning this product, trying out another brand instead and leaving this review as is.

This light is stronger than advertised. It killed/stunted a stupid amount of autoflower seedlings. I’m waiting on Mars Hydro to send me a proper chart, because if I get a PAR meter and it’s way off, you can expect a lawsuit.