red sea

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.

Hey everyone, the 525 XL I ordered over Black Friday will be getting delivered this week! I have an existing 75 gal, but other than the lighting and fish this build will be from scratch. Already purchased: Maxspect 4K Gyre pump AI Nero 3 (will be purchasing a 2nd) Vector S2 return pump 48” T5...

We are setting up a 210g tank that crashed a while ago, it has been some time to get everything in order but we want to do it right! Currently have the Reefwave 45 but looking for another to pair and create nice flow within the system. Already put a lot of funds to restart the tank, lots lost in...

Had my 2nd goby jump out of my tank yesterday. I wasn’t home so he was crispy when I found him. I see clear lids kraken lids and a few others. What would you recommend for a new Red Sea e max 260 Also any recommendations for swapping the stop return nozzle. I want more directional flow

HANNA checkers: nitrate HR, Alkalinity, Phosphate ULR - missing reagent bottles for some kits. - $40/each or All $100 Orphek Lense kit - $15 (2) Refractometers - 1 used. 1 unopened - $15 for both Jebao 4-channel Dose pump - $45 (New) Jebao DC submersible pump DCT4000 - $50 (New) Jebao Sine pump...

Due to unforeseen circumstances, I find that I must sell my 130 gallon cube reef tank. This is a fully turn key system with lights, filters, live rock, fish, that has been up for less than 6 months. Asking for $3000. NOT WILLING TO PART OUT AT THIS TIME. PICKUP ONLY IN SHERMAN OAKS...

* Red Sea Reefer 350 * Stock Sump V3 * Red Sea Stock Stand (Black) * Red Sea Skimmer RSK-300 * Red Sea ReefLED 90 (2) * Varios 2 Return Pump * Nero 5 (2) * Apex A3 Pro * Apex ATO * Aqua Ultra 15 Watt UV Sterilizer * Live Sand * Powder Blue Tang (6 inch now had since September 2022) * Blue Devil...

Finally have the money to splurge on a Red Sea build, likely the Reefer 525 G2+. Does anyone have experience with previous Black Friday sales? Will the current 12% off likely be the best discount or should I wait it out a few days to see if there are any increases?