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Tonight I found I have a significant number of hydra resident in my yellow cherry tank. Luckily the tank is barebottom (no substrate) and the population would be no more than 100 shrimp so I can remove the shrimp and treat the tank. I was reading the recently posted article on combating hydra and it seems I have a few options available to me. I don't mind if I kill all fauna and even bacteria in the tank when I treat it. (I can add filters from other tanks if the nitrifying bacteria in the present ones are wiped out). Ideally I'd like to preserve and not inhibit the algae on the walls of the tank. So anyway I'm hoping someone can offer advice as to what route I should take in my circumstance. Many thanks in advance. [emoji173][emoji111][emoji445] will

Sorry I know it's an old thread. But it's pretty spot on. I could go into the full reasoning on it. But carbonic acid is something that gets depleated quickly. A situation is in planted tanks with very touchy plants battle with on a daily basis without the addition of compressed Co2 infusion. Using fulvic acids would help to stabilize PH a bit better. But it has an expiration date and will get depleted too eventually. So a buffering substrate is a far more reliable method (also contains fulvic acids) Another thing why unstable PH is a danger on itself is it being logarithmic so acids or alkaline levels when fluctuating can poison your waters very quickly. A PH of 6 is 10 times more acidic than a PH of 7 and a PH of 5 is a thousand times more acidic than 7. You trying to lower your PH to 6.0-6.2 from 6.8 keep in mind to do the change very slowly around 0.2 value per 24hour period if possible to avoid the hash change for shrimp. Just my late 2c worth?

Hey everyone how's things? So I was on and off with shrimp the last 6 months or so while I was doing other things and getting into nano softwater fish, building tanks and saving money, now I've got a bit more free time again I just bought a ton of new tanks, equipment and shrimp in the last few months, it's all coming together now. This is what my lounge room/fish room looks like ATM lol

If this product works like NO PLANARIA, a small dosage is enough to get rid of hydras, no need to follow the dosage to kill the planarias. I use less than a quarter of the recommended dosage and all the hydras are gone in 24 hours and never come back.

One last update - berried shrimps seem to be holding and there was apparently a new batch dropped within the last week Ive found several baby shrimplets. I will not hesitate to use planaria zero again in future based on this experience. [emoji173][emoji111][emoji445] will

Thankyou@ineke I decided to go ahead and treat the tank with shrimp in. After all they're only cherry shrimps.. I gave the first treatment with the recommended dosage and 24 hours later I can't see any hydra on the wall where they were well established last time instead there are tiny shrimplets grazing the biofilm hooray! Before and after photos attached. [emoji173][emoji111][emoji445] will

Hey mate, that's a pretty big jump for 24 hours, definitely check it again tomorrow. Can you give some detail about what the substrate is and what other items are in the aquarium including especially any rocks ornaments or wood? Also what media are you using in your canister is it the eheim branded gear or something different

I used benibachi planaria zero the one time I had hydra and they all died with only 1 treatment. I left the shrimp and plants in with no ill effects. I would treat everything you had in the tank as hydra are very good at hiding in and under plants and rocks , driftwood etc. I only ever got hydra when I introduced new plants .