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Showing results for tags 'disease'.
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Just noticed one (out of 100) of my blue tilapia is now much darker at the back 1/3 tail-end of his body. Growing and eating fine. They are approximately 1 month old and in a 500 gallon tank. Is this a sign of disease? Thanks.
HanyIstok posted a topic in AQUAPONICS SYSTEMSI need some serious help with my new system. I started the system about 2 months ago and had cycled it almost properly, only when still ammonia level was dropping but still high I added fish... Anyway, for about 4 weeks after cycling I run the system without growbeds, only 2 IBC fishtanks and a 400Gallon sump with a 3 stage filtersystem(swirl filter, brush filter, moving media filter K1, each of them in a 55gallon barrel). 3 weeks ago I added 5 IBC growbeds to the system and about a week ago then the fish started to show white grainy deposits on their dorsal fin, after taking a closer look the fins are rotting away. Some deaths already occurred. There are about 150 sunfish up to 5" in size and about 5 goldfish. The system is contains about 1000gallons of water. I don't know the water tempreture... I run a test while writing this post and the last picture shows the results. I've found information on "Ich" and finrot, but I have no idea what it is and how to treat, or what to do. Unfortunately I was traveling in the last 2 weeks and have no information on how much feed they got. Do you have any idea what it is and how to stop it? I appreciate any help!