Hydrogen peroxide treatment killed frog spawn

What's the point of doing a water change with an H202 overdose? As far as I know it doesn't hang out too long, maybe a half an hour or so.
 
I dosed it directly 2 times. The first time I was fighting Dino’s and went by the recommended dose and there were no issues with anything other than it worked killing the dinos. The second time I was trying to squirt it at some gha patches and I used twice the recommended dose in 1 application. Within a couple hours I could see some negative affects. My candy cane shriveled up bad. I instantly went into water change mode and everything survived. It took about 2 weeks for the candy cane to fully recover.

To me it seems like a fine line with overdosing it.
Spot treatment should be done outside the tank and rinsed with tank water prior to being added back to the water.
 
A very important detail:

When dosing into the water with peroxide, as rare as that should be done, one must re ramp up the lighting it cannot run at current adapted levels. It must go to cloudy sim/ reduced levels then worked up, do not dose peroxide under full running lights


When alk spikes occur and someone is trying to get it fixed, do not have full on lighting. Above is light amplified bleaching provided there was no accidental overdose. All the corals you have are actually not sensitive to known safe doses of peroxide, something outside of norm happened here. Sorry for the loss glad just three/can rebalance soon.
 
He added 3mL of hydrogen peroxide to my 20 gal tank and about 5 hour later my frogspawn dissolved.

What's the point of doing a water change with an H202 overdose? As far as I know it doesn't hang out too long, maybe a half an hour or so before it becomes O2 and H2O.
Wouldn't the OP's statement negate that claim?
 
Another detail

You have solid purple coralline rock, your system could have had coral in 1992

:)

all that means is, whatever system you are going to use to be opposite of current outcome can be applied now as arbitrarily as it can be after another two months age.

Let's redo your tank real quick, it's aged, and you can get three new corals and they won't die.
 
the next time you want to burn some algae off the rocks, lift out a rock and do it outside the tank so it doesn't contact your whole system


Also, too white lighting likely a cause as well you can't believe how profoundly bleaching too white lighting is during stress events


Post details on the lighting here

We have two hundred thread pic tank examples dosing peroxide into reefs and not losing those corals. I bet lighting did 85% of this depending on what before pics show. Take your rocks out and rinse them with saltwater to clear growths off them

Do a full water change

That fixes everything for fresh start

Before corals we verify light, and how you feed them. Do large weekly water changes and target feeding as the core method before you branch off into testing and tinkering, use work in water changes vs all manner of detailing and they won't die again. You need some ultra blue reef lighting it's safer to run to avoid bleaching on today's adjustable lights. These steps will make your reef ready now for coral and they won't die given normal reefing manner and hardware. No need to dose the water


Peroxide isn't bad stuff at all, it's saved reefs. The method that preceded peroxide use needs adjustment then you'll hardly ever need it.
 
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From basic habit practice just like drop and gimme twenty


Reef rebootcamp. Eutrophication reversal, detritus removal clean start. Temp high energy fringing reef mode/ flush run of clean water/ revit guaranteed.


Can't do too many push-ups, can't do too many cpr feed and change runs. That actions pumps a reef into life at the expense of water lost. The non water change methods are the tech heavy mega efficient ones, but the heavy breather technique makes reefs grow in any container much less a square all rigged one fully designed for reefing heh

Blue up lighting here and drop intensity (raise light if not adjustable, lose some white somehow)
 
brandon429 is doing a pretty good job of it. Peroxide does not hang around long at all in seawater. Ask RHF. Why would one need to do a water change?
Clearly a water parameter is off. Allowing coral to die in a nano isn't exactly beneficial to it's environment. You wouldn't do a water change?

@Randy Holmes-Farley What are your thoughts?
 
Sometimes you can’t just removed a rock to treat it outside the tank. I’m not suggesting using peroxide in this manner, it was something I tried. As far as doing a water change, that’s the first thing I would do if I thought I added too much of something to the tank.
 
Sometimes you can’t just removed a rock to treat it outside the tank. I’m not suggesting using peroxide in this manner, it was something I tried. As far as doing a water change, that’s the first thing I would do if I thought I added too much of something to the tank.

Why with H2O2? To dilute the water and oxygen that the peroxide became?
 
I overdosed my tank tonight with 8% H202. Corals shut down for a couple of hours but everything is back to normal now.
 
agreed the packed reefs might not lift out a rock (a huge portion always can, keep handy) but they can drain apply


Drop water level for the water change we practice like push-ups here

While drained, use a knife to scrape off algae and cheat it that way. If you want to burn the spot while drained with a couple drops peroxide see how that's 10x less and 10x more concentrated on target, second sickest peroxide trick
Especially in a nano, make the tank accessibility work for you as long as you can

We hardly ever need to dose peroxide to the water, there's a better way x 2 listed

Drain and treat by spot cheat algae kill is how I guided by nano algae free seven years ago

With heavy, feeding water changes and action~ this purple rock above would be so easy to work with, I'd have ten frags in it by Wednesday and the water would've been changed twice in catch up as I bet ten a heavy water change approach hasn't been used, there's some stuff to flush out most likely.


This peroxide thread has tons of before and after pics and there's a few techniques I don't use anymore but this is one heck of an early reef tank peroxide thread for sure. This was as the method evolved, in 2018 we rasp the target off first, then burn the spot. Not everyone likes peroxide use but if someone does, here's examples
http://www.reefcentral.com/forums/showthread.php?t=2082359


So many other non peroxide reefing approaches exist. The water change and feed effort system doesn't have to use any peroxide, it's a neat old school way of growing coral. Bluer light, water and reef feed in/ out before breakdown, so easy. Veer off from that method when you get the feel. Most will advise not to use peroxide. If you do, don't dose it to the water is my offer. We controlled collateral loss in that thread.
 
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I can't give any knowledgeable advice on h2o2, however the best advice I got from saltyfilmfolks was cuc additions. I had a bad gha outbreak and couldn't get it stabilized much less eliminated with h2o2. I added 5 snail's every 5 days....different sorts, took a few rocks out and scrubbed them with a toothbrush but ultimately my cuc has rocked out eliminating and keeping it away for about 4 months now. Not only that but I have a hob aquarium and took my skimmer off 3months ago and something is balanced out in there because it runs so clear and just enough nutrients to grow corals. I love it.
 
Sorry to say but thats way too early to be introducing corals in a tank. 6 weeks your still seeing a cycle. Even if your not then at best you should start with hardy corals like zoas to see how they react to the new tank. From there slowly add new coral while monitoring all levels and making adjustments.

Really depends on your experience and how the tank is being established. Like in my new system I used a few pounds of rock from my other tank and I added corals within a week, mostly SPS actually. I do agree that for someone new without a larger amount of knowledge they should wait a bit longer, unless you get something unkillable like GSP haha.
 

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