razor

hey guys, after a long break, i finally decided to start again. I still have the Maxspect R420R 15000k 160W LED and i am wondering if the LED is still usable in 2025 ? I think it was one of the first generations of reef leds that came out in 2014 or 2013... so it is quite old over 10 years...

Brand new, expiration is 06/20/2027! Ready to go! Just send your address and email, and I’ll send you an invoice on PayPal. Will be packaged carefully and shipped quickly! Also selling 1 gallon Microbacter7 and many Hanna checkers in other listings. I can combine shipping! SOLD Follow me...

So this has been growing in my tank for about 4 months now, a deep green film, especially in areas of high light. It grows on the rocks, and the glass but never touches the sand. It also covers right over any corals on the rocks, it killed my bird's nest coral in a matter of weeks after getting...

Hi, I use RO water, perform bi-weekly water change. I notice green algae on the rocks right after my water changes. The RO filters are 3 months old and not fully used to their capacity. What I did notice was, if I don't change the water for 4 weeks the water was relatively better than 2 week...

I am sure someone has posted it somewhere on this forum but I have done a quick search and read a few threads so thought I would post instead. I purchased a used tank and there is some saltwater residue, calcification or haze or something that I cannot remove. I have used the following...

Hello Dear Reefer, I have 90x60x50(cm) Tank including soft corals and two/three SPS corals. I am looking for a correct light settings for my light, "Maxspect Razor 420R 15000K" in order to get a good coral growth. Anyone can get a good coral growth with this light? can you recommend your...

So as the title states I am looking for suggestions for lighting. I currently own an AI Prime HD for my IM Nuvo Fusion 10 gallon so an AI would be preferred but I have heard some not so good things about the Hydra HD's on this tank. I like the Kessil lights but have also heard those create too...

Maxspect Razor R420R 320 watt 15K Lighting System - 78 individual LED's, Perfect for 48" Tanks. Includes all original hardware and documentation in original box. Only used 1 year. Purchased in Dec of 2015 and started using in Jan of 2016. Everything works wonderfully. Awesome light! I took the...