Lennie Posted December 26, 2023 Share Posted December 26, 2023 I wonder if you keep a tank with no fish (but with snails or without snails), would keeping a tank fishless for a period break the cycle of parasites like flukes, ich, common worms etc? The question goes for other diseases too. If you keep a tank fishless but running for the required period of time, would potential bacterial/viral diseases disappear at some point or they are always there? Is there a general adviced period for this? OR restarting the tank is the only option? 2 Link to comment Share on other sites More sharing options...
Guppysnail Posted December 26, 2023 Share Posted December 26, 2023 Just my understanding but I am far from a bacteriologist or parasitologist. If the disease or parasite requires a fish host my understanding is yes. However you would need to know the duration of the lifecycle. Some things that require a fish host to complete its life cycle can remain in another state until the proper host comes along. Some opportunistic things do not require a fish host though. Some can use simple detritus to remain alive. 2 Link to comment Share on other sites More sharing options...
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