SaltwaterGardening Red Sea 300XL

SaltwaterGardening

Trustee
Staff member
Supporting
Messages
308
Reaction score
257
Location
Marietta, GA
Excited to share my build thread! My aquarium interest began over 7 years ago with a small 2.5 gallon freshwater tank for my kids. We rocked some Glofish for years and still have two!

My husband and I have always loved the look of saltwater tanks, so early in the COVID lockdown of 2020, we decided to go for it. After much debate, we purchased the new Red Sea 300XL, which happened to be in stock at our LFS Premier. We were afraid it would be too big, but it really was perfect!

The name SaltwaterGardening came naturally as I am an avid outdoor gardener. My love of nature translates well into reef aquariums! I’ve helped many a friend (and strangers too) with their landscape woes if you’re ever in need of advice.
 

Attachments

  • FC2C6433-7A28-43F6-A730-1A8EBF99EDAD.jpeg
    FC2C6433-7A28-43F6-A730-1A8EBF99EDAD.jpeg
    73.5 KB · Views: 56
Last edited:
Tank setup
Red Sea 300XL (80gallon)
Red Sea Skimmer 300
2x Red Sea 90 LEDs
2x Red Sea Reefwave 45
Coralife Turbo Twist 3X UV
Aquavitro GFO Reactor
AquaDuetto ATO (replaced stock ATO)

Animals
2x Gladiator Clownfish
1x Starry Blenny
1x Yellow Tang
1x Sailfin Tang (Z Veliferum)
1x Coral Banded Shrimp
1x Halichoeres melanurus wrasse

Inverts
Blue legged hermit crabs
Red legged scarlet hermit crabs
5x Nassarius snails
2x Porcelain crabs
1x Halloween hermit crab
1x Astrea snail
1x Mexican Turbo snail
Many Banded Trochus snails
3x Tiger Conch (Halloween likes these shells)

Coral
Green Discosoma mushroom
Green Star Polyp (GSP)
Zoa Bowser
Branching hammer
Purple torch (cristata)
Fiji Yellow Leather Sarcophyton elegans
Sun Coral - turquoise green (non photosynthetic)
Rock Flowers
Zoa Fire and Ice
Zoa Radioactive Dragon Eyes
Bryozoan sponge- orange
Favia - multi color
Ricordea floridia- golden yellow and blue
Purple Sea Whip Gorgonian
Goniopora - maroon to brick red color
Dendrophyllia fathead (dark and light orange)
Chili coral (non photosynthetic)
Fireworks Clove Polyps
Yellow Finger Gorgonian (non photosynthetic)
Birdsnest coral
Indogold Torch
Dragon Soul Torch
Bicolor Frogspawn
Montipora variety
Bubblegum digitata coral
Green Goblin or other anacropora
Zoa Rasta
Zoa Halle Berry (best guess)
Paly Magicians
Zoa Pink Diamonds
Zoa Blueberry Fields
Zoa JF Pinwheel
Moseleya latistella Australian
Fromia starfish
Kryptonite trumpet coral
 
Last edited:
We started the build with Moani dry rock, live sand, two lights, skimmer, heater, return pump and the stock gravity fed ATO. Cycling took 4 months, learning so much along the way. Bacteria in a bottle was our friend, but it took a while to find the right one! First Seed for 1.5 months, then Microbacter7 for another 1.5 months. Dosed ammonia with no success, until I found refrigerated Dr Tim’s All in One. We were cycled in one week after that! I hear Biospira is a good one too for all those newbies.

Ready for our first fish, Gladiator Clownfish pair Cat and Sam were purchased! Very sweet and already mated, Cat became the female with time. They host the back wall of the tank! 😂. Some basic CUC of hermits and snails were added to start stirring the sand bed. We picked up our first of the wavemaker pair, a Red Sea gyre.

To keep the family under control, we had a two week rule, only adding a new fish every two weeks once we knew the prior crew was settled. It balanced the tank bioload and kept us from impulse purchasing.

My daughter wanted an eel, so she settled on an engineer goby. He dug so many sand caves and it was enjoyable to watch him grow. Sadly, he jumped a few weeks ago, folllowing some tang bullying.

Next two weeks, we opted for an algae eater, our dear starry blenny named Nebby, a space themed Nebulus homage courtesy of my son. Our first corals came home that day too, a favia, lepestrea, and bowerbanki. A trip to a fellow member scored me my first hammer too!

During my research of corals and fish, I fell in love with the Fiji leather coral and birthday splurged on myself to pick up that beauty when I found it in stock. Still one of my favorites! My husband impulse purchased a tiny yellow clown goby, but he never quite settled into my big tank. I’d save him for nano tanks in the future, where you could keep a good eye out!

Next pair of fish were on my husbands wish list, and I was nearing the total fish count for the tank. These two tangs were inseparable for a long time, the Sailfin and baby yellow tang that followed big brother like a toddler. I didn’t want both, but couldn’t leave that gorgeous baby behind. And here I thought we were done!

Weeks later, my son fell for a long nose pygmy hawk fish, but he only lived a few months before he got spooked and jumped one sad night.

All was good for many months, working through the tank uglies and trying 3 day black outs to get things under control. I picked up a coral banded shrimp to hunt bristleworms in the display and an arrow crab in the sump refugium. The shrimp is still running strong, walking around like the hulk. I sadly waited too long to give away my bristleworm eating arrow crab, he was such a good eater and fed regularly. He died unexpectedly while I was out of town, still not sure what happened.

One night of observations revealed tiny snail like creatures on the glass. I researched like crazy and decided they weren’t snails, but flatworms! So off to find my last fish, a melanarus wrasse. Excellent final fish addition and quite efficient at keeping the flatworms away!
 
Last edited:
Research, research, research was my mantra as I learned everything I could about reef tanks. We tried to take the process slowly and not make any sudden parameter changes. A fellow ARC member or two indicated slow and steady was the best approach. I also played up tank health through diversity of bacteria cultures and dosed Dr Tim’s into the tank after every water change. If you recall from above, that was a third bacteria type I added during cycling and seemingly the most effective for my system. I attempted to to diversify my bacteria cultures further with Vibrant, but that was a bit tough and probably too effective for my system and I believe led to chaeto death. So back on topic …

New tank uglies were the first to strike our tank, mostly diatoms and some green hair algae. As it progressed, much of the diatom would dissolve into the water column at night and would settle back in the sand during daylight hours. It got bad enough that I decided to test a 3 day blackout while we were on a short vacation. The tank looked much better! So, we invested in a UV sterilizer to run in the last sump chamber just to kill those water particulates at night.

A few more months passed and we continued to struggle with tank uglies and some sad coral. We didn’t have too much, but the goniopora that looked fabulous two weeks earlier was not happy and fully recessed for days. The leather didn’t extend like it did before and the zoas weren’t fully out. Something was wrong.

Research was my friend again, double checking parameters and asking LFS to check my testing. Ultimately realized that phosphate levels were raised, something I had not tested for previously. Picked up phosgard to start pulling down levels while I figured out the source. I determined some of the phosphate was in the LFS water, but more research indicated that the dry rock I used for cycling was likely leaching phosphate with silicates. Both were feeding the uglies!

Next purchase was the GFO reactor, a new launch for Aquavitro as an all in one plug in play ready equipment. I used Phosban on the inside and set it up quickly near my skimmer. Ran it 24/7 for the first two weeks and then put it in a timer. Around the same time, I set up the chaeto refugium with a simple light until I could upgrade to a Kessil refugium light later on. This really helped - all my coral were happy in no time! A number of months later, I added the second Red Sea gyre for flow and have seen a huge improvement in coral on that side of the tank.

It wasnt until I dosed vibrant over the course of a couple weeks that I lost my cheato, so I’ll be adding more back in the next week or two. Im
experimenting with bio pellets in my phosban GFO reactor that might replace need for a refugium over time too. I expect I’ll struggle with some tank uglies as I don’t have great nutrient export at the moment, but it’s all in due time.
 
Let’s talk about food …

When I first researched, it seemed some people only fed their tanks 2-3 times per week. The goal was to limit excess nutrients in the tank. I can tell you that didn’t work so well in my house! My fish demanded food every day and even convinced my husband our starving fish needed feeding twice a day. 😂

As you can imagine, my nitrate levels were rising with the excess food and led to some stability issues in the tank. A series of water changes helped get that under control along with a balancing of feeding. We now feed the grazers in the am with a mix of red or green nori and algae wafers, along with some form of other protein during the day of frozen mysis or Rods fish eggs. A small amount of pellets are offered as treats, but limited amounts.

I have quite a few filter feeders in my tank with non photosynthetic corals such as yellow finger gorgonians, chili coral, sun coral tubastreas, and dendrophylia. To meet their needs, I dose daily a capful of phytoplankton and a weekly dose of either Goniopower or Coral Frenzy. I could dose more frequently, but I haven’t had a good handle on nutrient export and need to be cautious.

Speaking to nutrient export, I noted before that I believe Vibrant led to death of my chaeto. I understand that Vibrant, which I was adding in small doses over several weeks for bacterial diversity, was actually introducing very effective consumers that dumped my phosphates and nitrates. This shock killed off the chaeto, which became a lifeless broken mess quickly and had to be physically removed. Over the last few weeks, I added back a small bunch of Pom Pom Gracilaria to the refugium. It appears to be growing with appearance of glowing tips and it happens to be a favorite food of my fish! Having inadvertently started my tangs on red nori when they were first introduced to the tank, they actively seek this red nori when placed in the tank. This will come in handy if my refugium takes off, free food! Until then, I’ll keep a close eye on my nutrients to encourage a healthy refugium with well fed corals and fish!
 
Now for some photos!
 

Attachments

  • EC6F48FD-77CE-4FB7-9D06-C54D11FC9B62.jpeg
    EC6F48FD-77CE-4FB7-9D06-C54D11FC9B62.jpeg
    134.5 KB · Views: 9
  • 59B8A56B-A4AB-4F63-AF36-AE8BDCBA9B9B.jpeg
    59B8A56B-A4AB-4F63-AF36-AE8BDCBA9B9B.jpeg
    207.2 KB · Views: 8
  • A7F1A2F7-1800-4220-B275-A11CF5B0766F.jpeg
    A7F1A2F7-1800-4220-B275-A11CF5B0766F.jpeg
    141.3 KB · Views: 8
  • BC3A57CB-7FF6-4DB6-B1E6-283E052FC902.jpeg
    BC3A57CB-7FF6-4DB6-B1E6-283E052FC902.jpeg
    183.3 KB · Views: 8
  • C9837742-39C9-4589-90B8-63E05BCE6CC4.jpeg
    C9837742-39C9-4589-90B8-63E05BCE6CC4.jpeg
    180 KB · Views: 7
  • 73DFF245-613D-4562-B8A6-C682D0330857.jpeg
    73DFF245-613D-4562-B8A6-C682D0330857.jpeg
    160.9 KB · Views: 7
  • 6D6ECCAF-27FB-4E92-ABDF-84C11A9A9A18.jpeg
    6D6ECCAF-27FB-4E92-ABDF-84C11A9A9A18.jpeg
    173.8 KB · Views: 7
  • 2A611A59-B1FA-4988-8CEA-02DFC9AEAFC2.jpeg
    2A611A59-B1FA-4988-8CEA-02DFC9AEAFC2.jpeg
    193.1 KB · Views: 7
And more photos!
 

Attachments

  • E75D58D9-2776-43B4-846E-5556E4E7D35C.jpeg
    E75D58D9-2776-43B4-846E-5556E4E7D35C.jpeg
    266.9 KB · Views: 8
  • EB5A30D9-9BB7-47D5-973F-D7BB993ECBC1.jpeg
    EB5A30D9-9BB7-47D5-973F-D7BB993ECBC1.jpeg
    144.5 KB · Views: 8
  • FF056821-73BB-416D-B4C6-5A2B25B41FF9.jpeg
    FF056821-73BB-416D-B4C6-5A2B25B41FF9.jpeg
    183.5 KB · Views: 8
  • 53CC3C23-BFCB-42FB-AC0F-B3B95D4B3D1C.jpeg
    53CC3C23-BFCB-42FB-AC0F-B3B95D4B3D1C.jpeg
    148.9 KB · Views: 8
  • 288EA979-E625-42C7-AE40-756E4A1AD246.jpeg
    288EA979-E625-42C7-AE40-756E4A1AD246.jpeg
    173.1 KB · Views: 7
  • FCD5BD3B-9115-4C09-B73A-956582BEC142.jpeg
    FCD5BD3B-9115-4C09-B73A-956582BEC142.jpeg
    328.4 KB · Views: 10
Back
Top