red sea

SOLD I'm moving in a month and need to sell my tank setup. I had a mixed reef tank for a little over two years, and the tank served me incredibly well during it. I have a Red Sea Max Nano AIO (20g) plus its black cabinet stand for sale for $350. Here is all you get for that price: Tank, which...

2- ReefLed 90’s from Red Sea . Just over two years old. Excellent condition , simply do not need now as I upgraded to Radions Will ship for Additional $60 with tracking Also have only one L bracket arm mount I can include for another $60

Brand new Red Sea 300 XL G1. Stand is black and has been assembled. Tank still in original box, never seen water. All parts included from factory. $1300

Hello everyone, New to reefing here and ordered my first aquarium, a Red Sea Max Nano G2 XL (33 Gallon). Purchasing Caribsea Arag-alive sand and Real Reef rocks. I am wondering if I should run the Red Sea "Starter Kit Reef Mature" or should I just put one fish in right away since and see how...

I have 3 Red Sea LED 90 lights that work perfectly well. I had them for a couple of years and ran them at 60%. Lights also come with arms. Asking $300 each or $800 for all 3. Buyer pays shipping.

Hey guys, not exactly a beginner but I scored a used Red Sea 400 and need some advice. It’s been fully dismantled. Has some dried sponges and other stuff stuck in over flow. Was told to soak it in vinegar, do I dilute it first ? Or is there any other options? Also wondering what kind of lighting...

I’m getting out of the hobby for now, so I’m selling my test kits too. I have Hanna Alkalinity, High Range Nitrate, Phosphate ULR, Magnesium (newer version), and Salinity tester. Also comes with a refractometer that is still new. Red Sea calcium pro test and Salifert Magnesium. Auto Aqua Smart...

Selling a like new Red Sea RSK 300 Reefer Internal Protein Skimmer. I purchased this for my new build at the end of 2022. I ran this in a brand new tank for about 3 weeks. It was a bit large for my small sump so I took it out, cleaned it, and put it back in the box. Super clean and like new...

Just upgraded to a Red Sea 3XL 900 G2+, and I realized that it’s not gonna be big enough for my hi-fin snapper long term… I have room in my basement for any size pool pond, I was thinking something around 8-10’ diameter , 3’ high, so around 1k gallons. 1. Is there really any fish that I can’t...

Does anybody have a Cade S2 1200 with a reef mat installed in the return section where the 2 filter socks are? Would love to see pics, issues you had, whatever you can say about getting that added would be great. Thanks!

Any advice on a good setting is most appreciated.

My display is a Red Sea 3XL 900 G2+ so 240 gallon system For filtration, simplicity 800DC skimmer, 55 watt UV, 4 4” filter socks, algae refugium. 2 jebao wave makers. 3 nicrew 150 W lights, I have the controller. Fish: Threadfin snapper 8” Magnificent foxface 6” Blue throat trigger 5” Emperor...

Hello everyone! I am new to saltwater. I started my first saltwater tank back in October of ‘22 with a used but in good condition Red Sea Reefer 350 first generation. The tank was all running good until late August last year when the front seams gave up and started to leak, I lost some frags but...

****There is no stand with this aquarium. Comes with tank and sump (both brand new). No shipping, local pickup in Johnson City TN, you will need to arrange to pick it up.**** I have a brand new in the box Red Sea Reefer XL 300 G2 for sale. The G2 model is the latest and has armored seams...

Hello everyone! I’m looking to buy a used Red Sea ReefLed 160S for a new tank build. I will need for it to get shipped to Colorado. Also looking for a Reefwave 45 and a Red Sea RSK 900. Please DM me what you have. Thank you!

Hi guys, This is my first post ever :oops: sorry for any dumb questions! I am new to Reef World and I've started my first cycle in a blue marine 30g tank with a back AIO sump. I've bought the Red Sea Mature Starter Kit and I've been following the day-by-day guide. Right now I am on Day 10...

Lightly used Reefwave 25 and nem-protect guards. Ran it for around 4 months at 10-30% pulse and then went another route. Will ship at buyers expense. Moves water well and makes no noise. What else could you ask for?

Hiiiii all, My name is Jeffrey from the Netherlands. I’m “new” in this hobby, today 2 years now. When I started I bought a Red Sea Reefer 250 and after a year I had the opportunity to buy a Red Sea Reefer S850. Now 1 year later everything works one but the only thing I’m fighting against is...

2 Red Sea Reef Led 90 Brand new never opened retail for $390+ tax $250 each Red Sea ATO brand new never opened $180 Local pickup in Sacramento or shipping

Have a WHITE Red Sea Nano that looks like new. Used for less than a year. Has an extra pump, extra power box and custom cover. Asking $750 Includes everything that came with tank PLUS EXTRAS listed above. Pictures on request.

I'm back in! Hi all...I recently took a trip to Maldives and realized I miss having my own reef so I have decided to come back to the hobby. My first venture into saltwater/reef tank was back in 2017- 2019 and I had an AIO Biocube 32. I loved it and was perfect for me at the time. In 2020...

Hey Reefers, I recently started a Red Sea Reefer 250 tank! I’m currently 4 months in and things are slowly settling in with the nitrates and fishes are comfy! I had a question about Kessil lighting and what settings I should run. Ever since I got the Kessil light there has been excessive algae...

Switched my lights so time for these to find a new home. Both work as the should and each comes with an RMS mount Asking $390 for the Gen 6 pro shipped $330 Gen 5 pro shipped I also have two MP10QDM 1st one has a brand new dry side wet side is 3 months old $300 shipped(SOLD) 2nd has a near...

Looking for some advice of hooking the Smart roller up to my reefer xxl750. My understanding Is that the reef factory uses a 40 mm inlet tube and my tank has a 32 mm downpipe. Does anyone have any ideas for a flexible hose to connect the two?

Red Sea Reefwave 25 (Used) Works Perfectly! WYSIWYG $240.00 Will ship if buyer pays for shipping.