Now I wonder, how long will these plants need to rood enough so I can add the fishes? Material is old, so I don't fear a nitrite peak - and if som nitrite would come up, the filtration material, which is ripened as well, will take care of that, but I wonder about the plants.
Adding the fishes too soon will not be a good idea - them uprooting the plants, and me replacing them will, affter all, provide a lot of stress for the fishes
Crypts often melt when they are adapting to a new set up, do not depend on the plants to provide bio filtration for a while.
If you shared filter media or in any other way added nitrifying bacteria to the system then you need to feed the bacteria until you add the fish. Add ammonia twice a day. Just enough so a test reads 1ppm. OR add fish food, just as if you had a large fish population already in the tank. Fish food will decompose and some of it will turn into ammonia to feed the bacteria.
Happy fish keeping!
In order to help others, I changed the position of a few pieces of wood, and could not help myself, I had to pull a leaf gently.
Much to my surprize, the plant had already rooted. Tryiong others, this was confirmed
The tank is a 150 * 70 * 30 (h) cm tank (made to specification) with only 1 TL on top of it, a 36 watt Philips color 830. The lighti is in the middle from fromt to back, and the plants are also placed centrally. Yesterday I added a second TL, same color, putting the tubes 10 1/4 and 3/4th of the tank
The soil is sand with added fertilizer (10 % of what is recommended, with a bit of clay) 3 cm thick
Perhaps this will help others
With regard to the suggestions Diana made - they are good suggestions, and she cannot know I have kept fishes for 40 years now. Just like her, I rather write too much than too little
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