Removing hydra from shrimp/snail tank

[u/Vindamant]

10 gallon tank (temp 72)

I have a slight hydra problem but I'm not sure how because I barely feed this tank

Stocking: 12 raccoon tiger shrimp (2 pregnant and possibly shrimplets) 2 baby mystery snails 1 large adult 3 Otto cats Bladder snails 1 assassin snail 3 nerite snails 1 anoma shrimp (i know I spelled it wrong but idk)

Plants: Anubis 2 crypts Water sprites Hornwort Christmas moss/java moss Red root floaters Duckweed Pothos Spider plants Amazon frog bit Java ferns

I've tried removing by hand but I can't access ALL my tank due to it being very thickly planted and alot' of driftwood in the back: (

[u/jalzyr]

I mean, I have had green hydra for a while. Like herpes, it never truly goes away in my tank. I have snails, a lot of snails. 5 Nerites, 2 Mysteries, a handful of MTS and an unknown amount of Bladders, MiniRams and Rams. And Amano Shrimp. The “best” way to get rid of it is a medicine, Fenbendazole, but it kills snails and can keep on killing if not properly handled after treating. I didn’t want to chance it or deal with moving everything out of the tank, boiling, waiting, etc.

There are multiple ways to remove though. I tried mollies+sparkling gouramis. It worked perfectly but it took several months, couldn’t feed the fish because they needed to be coaxed into eating the hydra. They also ate all my copepods that I loved and frogbit roots, which then all died. It sounds like you have small shrimp so unsure if it would be a good idea to add these fish. The fish didn’t touch my Amanos but they did nip at my Nerites antennae. The fish were rehomed after they brought the hydra population down, but shortly after.. the population went back up. I was elated when the snail’s antennae grew back, long and beautiful. I tried blackouts as well because they are alive from algae and the light keeps them alive. That didn’t work. I never tried the hydrogen peroxide though but it would be a great way as well.

I gave up and, carefully, took a piece of paper towel and slowly wiped them up the glass, making sure no hydra pieces are pushed off of it. Is it fool proof? No. Did it bring my green hydra population down? Yes. Do I have to wipe away 10-15 every month? Yes, but that’s all that pops up. My snails get to thrive and my shrimp and snails don’t get little stings from them, as the hydra stay a little amount, in a little corner. Before literally throwing in the towel, their population took up almost 30% of the glass walls of the tank. Probably why I didn’t do the hydrogen peroxide at first, but now that I think about it, it’s such a small amount now that I could do it that way without possible overdosing.