tank advice

I have perfect parameters in my 90 gallon tank only problem I’ve ever had is my nitrates are lower. I did a water change yesterday and changed filter media as I always do every 3 weeks to a month, I wake up this morning and everything is sunken in and sad so I just assume the water change made...

So I have a 125 gallon saltwater aquarium (FOWLR) tank that’s been running for just about two years now of two tidal 110 HOB filters that come with a surface skimmer. I have a porcupine puffer, blue hippo tang, yellow tang, two small angelfish, yellow long nose butterfly, fox face and snowflake...

Torch receding, space invaders dying, general health of the tank doesn't look good. Need some opinions and suggestions. Nutrients are intentionally raised because of dinos. Nitrate 25ppm Phosphate 1ppm

Hello ! I got a tiny question for my small 30gal tetra starter line i know i should have went for a normal saltwater tank instead of one for freshwater but Currently i am facing the ugly things of my tank and thats the tetra Filterbox 600 which imo looks awful I had the idea to use a inner...

Currently have a very well established 125 gallon tank with 2 clown fish max size 3” 2 fire fish max size 3” 2 green chromis max size 4” 1 long nose hawk fish max size 4” 1 yellow watchman max size 4” 1 sailfin tang max size 12” 1 blue hippo tang max size 12” 1 flasher wrasse max size...

Hey R2R! I’m brand new to the hobby and need some advice because I’ve done all of the things my LFS has suggested and I’m stuck. My first cycling round (65 gallon AIO Red Sea purchased second hand on marketplace.I have my tank stocked with dry rock and live sand.) was a fishless cycle with...

Hey everybody, I’ve been keeping freshwater all of my life, always wanting to have a saltwater tank and now I’m finally able to. I want to stay on a budget but still buy something that is good quality. I’d say my limit is around $300 since I want to get something nice but also keep the price...

I saw this tank for sale and I wanna get a larger tank, my current is a 15g cube. My main concern is transporting this behemoth as well as moving in about 14 months (hopefully for the last time for a long time) Not the best photos but this is the listing $1000 180 gallon tank It has Kassel...

I have not had a reef for 6 years but I miss it. So here it goes. Background: First tank Bio cube 32. This was a fun beginner tank started it from scratch had it going for about a year, no pictures. Had 2 clowns and a goby plus some zoas. Second Tank: Red Sea Reefer 525- approx 130 gallons...

Had this tank in by basement and wanted to reuse it and just now noticed this crack. so I am wondering if someone with more experience than me could tell me if I can sill use it or if I should just buy a new one.

i have just done a tank upgrade over the weekend i used all the old media and rocks added new sand and 3 new rocks thats it i transferred them all over and all my hammer corals and torches are really mad but i thought it was due to the move but today i notice everything is receding flesh up the...

I have always wanted to get into saltwater tanks had a bunch of freshwater from imported flowerhorns to a big Rubbermaid with motoro stingray and catfish but never took the dive but October 2023 I took the dive after being out of keeping fish for 4 ish years after tub crashed from dead fish...

This may sound dumb but today I was looking at my tank before I clean it and I see something I haven’t seen in my tank. I’m no saltwater expert but it looks like a baby star fish. I got the best photos I could but he or she is tiny. I never put any star fish in my tank. So it had too come in a...

Hello everyone! I have one nassarius snail named Peter Jr., a tiny snail of unknown origin named Margaret, and an Astrea snail in a 2.5 Gallon Imagitarium tank. The Astrea snail seems to be enjoying a rock I have in the tank and the nassarius stays burrowed. I keep a filter running (although...

Good evening all, I am planning a new tank build and would like a tank with built in electrical storage. I'm leaning towards a peninsula. Does anyone have any suggestions?

how much salt do I put in the water before changing water in my tank I know it’s not complete change of water but I know I don’t just put water without salt I have a hydrometer but I need to have how much percentage in the bucket I’ll be using?

Hey everyone, I was wondering if this was safe for the reef tank I am building? Primer and CPVC

Hey folks. I am looking into building a permanent reef aquarium in my house. My work area is 8' long x 4' tall x 2' Deep. I can go up to 13' if necessary. It will have a 30" base with a sump underneath that will be 6' L x 2' T x 1'8" deep. so what i need some opinions on is a OHF (Over Head...

Back story. Ok so I have been reefing since 2016 and have had several tanks since then. I set up a folwer tank 155 with live rock from my lfs. I then set up another tank a reef tank 60 gallon using dry rock. No real issues so far. I then upgrade the fowler to the current 250 gallon and the reef...

So I just got into marine tanks about 3 years ago started small and worked my way up right now I have a 55 gallon tank and a 150 gallon tank and a 25 gallon red sea tank. I am thinking of upgrading fully for 3 new tanks and I've been looking at the waterbox tanks money isn't a issue but I want...

I bought this used red sea reefer 350 and it has a slight crack in the top corner. Should i be worried to set it up or should it be fine? There seems to be no issues with the seal around it and was set up for a few years before i got it. The guy who had it didnt get rid of it for that crack but...

is this Dinos or diatoms? It smothers my corals and comes back everyday.

Bought a 60x40x40 long aquarium and wanted to ugrade my old nano tank, a guy from a local store told me to lay out some bacteria media below my sandbed to remove nitrates and amonia. Not sure if this is true as i have never heard of this method ever. (Image for refrence if what i have done)

Hello all, Glad to get into this hobby finally. After many hours of labor and dollar signs I finally have my system running. Its a 85 Gallon shallow tank with a 15 gallon sump below. I have a skimmer running 24/7 and tons of dry rock in the sump. I just added 2 live rock bricks from my friends...

Hey guys. I currently have a 40g aio that has quickly become a fowlr cuz of my valentini who eventually developed a taste for softies and lps. And coral in a 20g Im looking to get a 80-100g tank and to set up for all my coral and reef friendly fish and was looking for feed back on the best cost...