So haven't updated in a while, but I had a huge crash where I've lost a lot of coral and a few snails. It was my mistake, so I'm sharing as it's all part of the journey. Thankfully I was able to save some of the corals that I can't get duplicates of from a friend in his tank. Before you start attacking, I know I made mistakes that I am learning from the hard way. *Sigh*
Side note, I haven't lost a single fish, crab, or shrimp.
So the story:
I did a 3x dose of Flatworm exit back in January or February. I had flatworms crawling around after 30 minutes of treating, so after big water change and running carbon, I regrouped and prepped to do a series of 3 higher dose treatments. My second dose was 6x recommended dosage to make sure to kill the ones that survived the first round. After this dose, I didn't see any flatworms crawling around at all and I siphoned all out as they were dying. This round, there was not that many free floating flatworms. Maybe 30 minutes after dosing, I started running carbon and did a 10 gallon water change which is about 20% of the water volume.
I waited 2 weeks to make sure to have all eggs hatched before doing my second dose. In the limited research that I could find it seemed that most flatworms hatch within the 9-13 day window, so I chose 14 days as they aren't supposed to be able to lay eggs for another 2-3 weeks after this from what I could find.
Shortly before my second dose however, a lot of my coral started to decline. First to retract, loose tissue, and/or have polyp bail out was the pocilopora and pagoda cup. GSP and hammers were next and then all of zoas started to close up and mushrooms were sprinkled in there periodically.
Before my second dose, I did a 15 gallon water change then did my second dose which was 4x and did a 20 gallon water change and ran 3 lbs of carbon consecutively and started running a skimmer.
I'm not sure if it is a reaction to the medication, which isn't supposed to be possible, or the flatworm toxins. But the few worms that were dying doesn't seem like enough to have caused such a big reaction in the coral, but not the fish/shrimp/crabs.
Some corals are coming back or looking like they might. Zoas, cloves, and pocilopora are opening up and starting to get color back. Mushrooms are still declining. All but 2 hammers are gone and the 2 that are left were almost gone. No tissue with only the filaments/guts open and exposed with skeleton. Tissue has started to grow back over the filaments slowly and seems to be reforming a mouth now. I would be very surprised if they do survive honestly.
Any thoughts would be appreciated.