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I have over 100# live rock and looking to sell to break down my tank. $4/lb and looking to sell in 25lb chunks if possible.

Hi all! I've been battling green hair algae due to high phosphates and just can't get ahead of it. I have a 125 with one fish and several corals (soft and LPS), I use RO/DI and have a monitor inline to check that it comes out 0ppm. I use a sump but leave the refugium light off to keep the hair...

Need help identifying this: 2016-02-24 16.45.08.jpg

I've lost several SPS coral colonies and I have no idea why! Right now, my pocillipora are bleaching and I've lost 2 colonies already. My bird's nest is bleaching and my devil's hand and kenya tree are impacted as well. Not looking so hot. BUT, my green slimer, torch, stunner and hammer corals...

I rescued a clown from my overflow and in the process some crabs got into the plumbing. I had to take things apart to remove them and now the flow is like 60% slower. I tested the water through the plumbing without the stabdpipe and it gushed at full velocity, so it's the standpipe. I cleaned it...

My purple monti has started bleaching, while my green monti looks fine on the other side of the tank. My kenya and green devils hand are looking bad and they are on opposite sides. It also appears that an acro staghorn is starting to bleach. I recently had a toadstool just up and die on me and...

Hi all, Looking at bulk reef supply magnesium and am trying to decide which to buy. What's the difference between the two? Sent from my SM-G900V using Aquarium Advice mobile app

What's the best way to get rid of mushrooms like these? Sent from my SM-G900V using Aquarium Advice mobile app

What's the best way to quiet down my overflow? There's a hole at the top of the pipe and o used to use a piece of hard tubing but it started fluctuating the water level up and down, like it was slow to drain than would drain all of a sudden. So I had to remove it. Sent from my SM-G900V using...

After battling low PH and finally giving up and letting it run it's course, my PH is now above 8.5 sometimes as high as 8.8. I tested my RODI water with a meter and got over 11! Now, I'm told that testing RO water can be inaccurate. My change mix is testing around 8.4. I have to test my alk...

Anyone know what this is? It's on my glass.

What kind of algae looks like brown strands and has clear bubbles at the top?

I'm using baked baking soda to maintain my alk with a dosing pump. I need help in determining how much baking soda I need to mix with a gallon of water for my 130gallons of volume. I lose about 10ppm per day. So the other calc is how much to add. Then I need to add Kalk to maintain calcium...

Does this look like algae?

I'm considering buying these with the BRS Rox carbon and their GFO. I'm battling hair algae and confirmed my water is 0 TDS, stopped feeding coral food (oyster feast and phyto). I'm hoping the GFO, my new CUC and possibly a Tomini tang will be the solution. I'd like to get people's...

Could these be contributing to my hair algae problem?

Looking to get some more cleanup crew to help with some chores. Suggestions for a 125 mixed reef?

Simple gravity fed ATO with float and slide for protection. $40 Will ship.

I have my Duncans near the bottom of the tank where I thought the flow was mild enough but it's enough to keep the polyps pointed left all the time. It's colored up, eats well and looks healthy. Is this even a problem?

I need a recommendation for a gravel vac that's appropriate for fine sand.

I added four frags after dipping on Sunday and placed them in/on the sand. How long do I need to acclimate them and when can I start moving the ones I want higher, higher? I have LED's BTW, standard 125 so 23.5" I think. Goniopora Favia Duncan Zooanthid I will probably leave the Goniopora on...

Should I run my fuge lights opposite or 24/7? I did want to get Culerpa Mexican for the lower risk of it going asexual but figured the 24/7 route was safest? Then there's the running opposite aids in PH stability camp. What have your experiences been and what do you recommend?

Is it necessary to use a calcium reactor to maintain calcium levels? Or should I just plan on dosing with my Evs 2 part? Pros and cons?

I have it placed on the floor and one side has no green. Is that okay or does it look unhealthy? I don't feed it and my params are in check except for maybe nitrate - waiting on a salifert kit because I got 7.5 and 30 with API!

Is it okay to have the rock touching the back of the tank or will that create problems?