Tank emergency

[jcannon67]

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 them mad and let it settle. Well I come back tonight to check and Almost all my inverts are dead including my massive sea urchin, all snails minus a few really large guys, and my crabs but not my hermit crabs. I’m really worried it’s from the new media I used which was coconut carbon media that I followed the instructions and rinsed but may have put too much. I changed all the media and took out who I could but I’m just wondering what yall think it could be or if it’s going to be okay.

I have been building this tank since January 2024 and it was beautiful just 2 days ago and I’m really crushed over this.

Has anyone ever used coconut carbon media and what was your experience?

 

[redseaenroute]

This is the 2nd or 3rd thread I've seen on this site over the past few months that had almost this exact same scenario. They used the coconut based media and came home to dead inverts within 24-48 hours after introduction to the system. Not much help... But I'm starting to think that coconut based media is causing some sort of issues.

If it were me... I'd get some ROX carbon in the system and get that coconut stuff out ASAP.

 

[jcannon67]

This is the 2nd or 3rd thread I've seen on this site over the past few months that had almost this exact same scenario. They used the coconut based media and came home to dead inverts within 24-48 hours after introduction to the system. Not much help... But I'm starting to think that coconut based media is causing some sort of issues.

If it were me... I'd get some ROX carbon in the system and get that coconut stuff out ASAP.

It’s completely out and I’ve washed all bags with RO and replaced with my normal stuff!
Fingers crossed nobody else passes.

 

[redseaenroute]

It’s completely out and I’ve washed all bags with RO and replaced with my normal stuff!
Fingers crossed nobody else passes.

I don't have time to search tonight, but there are a couple other threads on here that were all very similar to yours. I don't recall fish deaths, I believe it was mostly sensitive inverts that got taken out. Fingers crossed for you. Losing livestock is never fun. Id get some extra water made up and probably be ready for additional water change. Run some actual carbon to help pull any contaminants out... Good luck

 

[reefpanda]

Check the parameters of your new salt mix, have seen parameters way off from what was claimed.

 

[WhatCouldGoWrong71]

Interesting information. I just started running this crazy expensive stuff too. Perhaps I dodged a bullet. I put mine in 10 days ago. I lightly rinsed it. I almost definitely have too much in. I plan on leaving it in the reactor another two weeks. Knock on wood, no issues to date.

 

[dMiles]

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 them mad and let it settle. Well I come back tonight to check and Almost all my inverts are dead including my massive sea urchin, all snails minus a few really large guys, and my crabs but not my hermit crabs. I’m really worried it’s from the new media I used which was coconut carbon media that I followed the instructions and rinsed but may have put too much. I changed all the media and took out who I could but I’m just wondering what yall think it could be or if it’s going to be okay.

I have been building this tank since January 2024 and it was beautiful just 2 days ago and I’m really crushed over this.

Has anyone ever used coconut carbon media and what was your experience?

Why did you use it? I run nothing for the first time at full strength. I half dose if I don't know how my tank will react.