Fish Stock Help

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UkNath

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You have probably an established colony of nitrifying bacteria, but that doesn't matter if the plants are showing signs of growth, as they will be taking up most of the ammonia once fish are present. Before adding any fish, make sure ammonia and nitrite are reading zero for a few consecutive days. Nitrates must be low, hopefully also zero.

No, we do not do fish-in cycles. With live plants there is no discernible cycle because the plants will take up the ammonia rapidly and that is the end of it. You add new fish slowly, and members can guide you through. I can set up a brand new tank in one day with fish and plants but as you're just starting taking it slow is a good idea.

The API CO2 Booster is toxic to fish, don't use it. The major water change will get rid of most of that too. This product is glutaraldehyde and water, and glutaraldehyde is a very toxic and strong disinfectant that they use to sterilize surgical instruments in hospitals, in embalming fluid, in anti-freeze, and applications to kill bacteria. Used as they direct, it will usually kill Vallisneria plants which are particularly sensitive to it, but if it should get overdosed it has the capability to kill all plants, fish and bacteria. I know some people use these toxic chemicals, but I do not think it wise to use them in an aquarium. The CO2 is not needed anyway. Once you get fish in, the fish waste sinks into the substrate where it along with all other organics will be broken down by various bacteria and this produces CO2 that the plants can use. Most of us have low-tech or natural planted fish tanks, which means tanks of fish where plants are secondary and we use nature more than chemicals. It reduces the risk of problems, and makes everyone's life much easier--fish and aquarist.
Honestly thankyou so much! You’ve spent a lot of time helping me through and giving me sound advice i will ditch the co2 booster and just continue with the leaf zone fertiliser for the plants shall i do this as stated once a week or a little more often (feeding plants once a week seems sparse) and i’ve just watched a video on using plants to take up nitrogen in the tank and effectively cycle a tank since you said and it was really helpful so all this time with the test kits albeit it nice to confirm the water is safe it wasn’t actually confirming a cycle but instead the plant growth and algae growth (not huge but has been growing on the rocks, substrate slightly and glass) have been confirming the cycling as they are effectively taking up ammonia to use as food ? And with the adding fish slowly will this apply to me now or should i continue to stick to the previously mentioned 9 raspboras and 2/3 gouramis first before then monitoring them for 3/4 weeks before adding the 9 neons and 8 pygmy corys and then shrimp in another 3/4 weeks after algae has really had a time to grow
 

Byron

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Honestly thankyou so much! You’ve spent a lot of time helping me through and giving me sound advice i will ditch the co2 booster and just continue with the leaf zone fertiliser for the plants shall i do this as stated once a week or a little more often (feeding plants once a week seems sparse) and i’ve just watched a video on using plants to take up nitrogen in the tank and effectively cycle a tank since you said and it was really helpful so all this time with the test kits albeit it nice to confirm the water is safe it wasn’t actually confirming a cycle but instead the plant growth and algae growth (not huge but has been growing on the rocks, substrate slightly and glass) have been confirming the cycling as they are effectively taking up ammonia to use as food ? And with the adding fish slowly will this apply to me now or should i continue to stick to the previously mentioned 9 raspboras and 2/3 gouramis first before then monitoring them for 3/4 weeks before adding the 9 neons and 8 pygmy corys and then shrimp in another 3/4 weeks after algae has really had a time to grow
By adding fish slowly, I mean perhaps one species at a time. For over 30 years I have set up new tanks and never once cycled them, because I always have plants and floating plants especially (I still recommend you get some floaters). I can set up a 90g tank with 200 fish in it in one day, but I know from experience what I am doing and everything that might go wrong. I have never lost a fish to new tank issues.

You still add the entire group of a species together. Just make sure the plants are growing, and again, get some floating plants. Then it simply cannot go wrong. Add the rasboras together, then add the neons together, then the cories together, then the gourami together. Do this with a few days in between, depending upon your circumstances. You really could put them all in at once and not have the slightest problem, but I prefer not to risk it when I am not there.
 
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UkNath

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Don’t worry first thing monday i will be getting some water sprite for the top surface and thankyou i’ll add them one species at a time and do it slowly, id rather be patient and overly cautious then let my inexperience harm any fish and hopefully in the future as i get more aware i may be able to successfully start new tanks quicker and more effectively
 

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