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We have been facing an issue at our setup related to tomato plants that we have been growing at our setup. The issue is that the leaves of the tomato plants start to curl down and stay that way and the plants are not producing fruits instead they grow taller and taller with a relatively narrower stem compared to the height of the plant. The fresh leaves are straight though but they start to curl down after some time. These tomatoes are grown alongside bell pepper. the water temperature is 15-18 degree Celsius. the ammonia levels range between 1-1.5 and sometimes 2. the pH ranges between 7-8. the nitrates remain 100-200 ppm range while the nitrites remain less than 10. The fish that we have been raising along is Nile Tilapia. Two of these plants are planted in media bed while the one is in NFT, but same results. The plants are kept indoor with grow lights, but the grow lights don't cover the whole plant. The plants receive a little sunlight during some part of the day as well. The plants are more than 120 days old now.
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.
I 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!