pico reef pest algae problem challenge

Ralph, I'm sorry to hear that you are seeing a return of some of your algae issues. I know how frustrating this must be for you.

As for my first day of treating:

I removed all of the live rock on the right side island. I used a small spray bottle set to a fine mist and sprayed the rocks, let them stand for 2 minutes, then rinsed in used tank water. In some instances I let them sit in the rinse water for a couple of minutes due to pulling/ replacing rocks in the tank. Needless to say this took several hours to pull, treat and re aqua scape that side. While treating the rock I was shocked to find a lot of valonia hidden throughout the rocks. Also while treating I found and got rid of several bristle worms. They may be beneficial, but I hate getting stung. I also used less than 5ml to squirt some on my overflow box and the return nozzles because they too had this algae on them. I used a 1ml syringe with a precision tip to drip peroxide around the tissue of a few corals. A couple of acans, chalices, duncans, and a favia. Most seemed to slime up and shed the slime quickly once they had been replaced in the display. They were rinsed immediately following the application of peroxide. Coraline algae almost instantly began turning a hot pink color. I didn't notice any difference to the gelidium at this point.

I believe that I will need to restock my pod population following treating the other side of the tank, cause I saw several pods dying off in the rinse water. I didn't notice any ill effects by any of the corals throughout the evening. To assist with the possibility of any residual peroxide, I placed a piece of Poly-Filter in my sump baffles. Just trying to be safe rather than sorry.

I will be adding 4-6 Turbo snails tomorrow to help assist in the removal of algae. Depending upon the success of today's treatment, I will complete the left side next weekend. That side will be more difficult as it has several encrusted SPS corals.

Wish me luck!
 
Due to me being short on time, I really want to try this method but I've got a question first.

I've got a bunch of frag plugs that have grown HA over them, I can't scrubb them with a toothbrush/manual removal due to them being zoa's/softies that will get damaged. Can I throw all the frag plugs in a bin and just dose the whole bin? Total amount of water would be 1-2 gallons.

Also, if there's any crabs/etc in there will it harm them to be in this solution?
 
we recommend spot treating them vs whole dosing over the coral tissue

people have done what you are considering using a mixture of 50% 3% peroxide and 50% saltwater, for a few mins, but to be safe you should try to use a dropper to apply the peroxide dilution to the spot it needs. if its possible to not coat a whole kenya tree frag for example its better not too, even though that species has been somewhat tolerant of dips in previous examples linked within.
 
zoanthids are probably very tolerant of a short 50 50 dip, across peroxide threads they have been. But nothing is safer than the spot treatment where you emerse the frag from water, apply further-diluted or undiluted 3% right on the bad spot, wait 3 mins, rinse and reinstall.
 
Ok, thanks :)

I've got some star polyp that's covered with HA that i'll try a full submersal on and see how that goes.

The zoas include darth mauls, captain americas, hornets, etc so I don't really want to risk losing them..
 
Decided to go ahead and give this a shot. Pulled some cheato out of my fuge that was just covered in HA and poured some 3% over it. Sizzles a lot and then turns red. any idea why it turns red?

I'll get pics up tomorrow of results..
 
Just ran a few different tests, cheato will turn your water purple if h2o2 is used on it. Not sure if it kills it yet or not..

Just plain HA and HA w/ calurpa doesn't seem to change the water color
 
Interesting! I hadn't heard of a dye effect try to snapshot your before and after treatments pics are the main driver for us...
 
Here's me treating two corals at their bases

isaurus

Xenia on a frag plug dipped up to the flesh

Thick bodied isaurus had no prob resting in 3% for a few mins

Red algae dead in two days:
 

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So on March 1st I did a number of rocks on one side of the tank- here are some pics from March 4th- The algae was bright red after the dip, now some is still bright red, but much of it is turning white. I did a water change over the weekend, my shrimp molted (good sign?)- so, he seems unaffected and my soft corals all seem fine. I took out some of the heavier infested rocks and dipped them again tonight. I hate taking apart the other side of my tank, bigger and some nice coral mats. But, if this ends up as good as I think it will be.....That wiry red stuff has to go!
 

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Day 2 - Gelidium has turned hot pink as suspected. Noticing a few corals aren't opening quite like they had previously. One of the acans that was treated, duncans and another acan that was not along with my Pink lemonade not exhibiting great PE. Added five Turbo snails today, so we'll see if they get to work. Tang and foxface seem to be picking at the rock more than before. We'll see....
 
FAIL, FAIL, FAIL!

48 hours after adding Rox Carbon, the ALGAE starting turning GREEN, OMG! ARE YOU KIDDING? With a few exceptions......for like 2 months every single day the algae has either looked dead, distressed, or stable in distressed mode, or worse!




I WAS DONE! That's it! Today I went and bought 2 1/2 gallons of H2O2, prepared some saltwater, got some sand, bought some glue, got a bunch of tubs of Tupperware, buckets, etc.......AND ATTACKED!

I took the remaining 40% of the live rock that is encrusted with colonies of SPS, Zoa, Blue Clove.....just all kinds of living stuff, pulled it out and TREATED outside the tank.

I poured, sprayed, dripped, and used some precision syringes to limit the contact with live coral. I replaced a bunch of sugar-fine sand while I was there!

4-5 hours later, all complete & cleaned up....well worth the stress relief from that other crap not working 100%!

:fish1:

too cloudy for pics! and too much time with tank, lol
 
only concern is any leftover algae on walls, snails, etc....Kalk paste/rodi/H2O2 worked but only if smothered, so it left some patches here and there....this is what started to turn green...
 
before
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after
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spot treatment was done on several corals in my tank and LV. with no ill affects. i let it sit for about 1min. my change that up to 3min now. then rinse w/ di/ro corals so far that ive tested on. mushrooms,ricks,zoas,palys,lps,sps. :)

thx brandon
 
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