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Henrico Coltri

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  1. Hey guys I was doing some research about some controversy topics regarding internal parasites and i would like to know your experiences on the subject. These are my main doubts. 1 - Does medications for internal issues have any efficiency if administrated in the water column (the alternative being ingestion). 2 - Can we really totally get rid of internal parasites in fish. Say you do some deworming treatment and never adds new fish to a tank, could the inhabitants of that tank be considered 100% clean of internal issues? 3 - How much does a non pathogenic amount of internal parasites affect fish growth and health? 4 - How long deworming medicine stay active after touching water? Sorry about any language mistakes, english is not my main language. Thank you! My opinion and observations on these topics at this moment are these. I included some links regarding each topic. 1 - Yes, there are effects, even though they are minimal. Maybe just enough to give the fish immune system enough strength to fight/limit the illness on it's own. https://www.reef2reef.com/ams/proper-dosing-of-medicated-foods.780/ https://aquariumscience.org/index.php/12-5-fish-dont-drink/ https://www.vin.com/apputil/content/defaultadv1.aspx?id=3981436&pid=11108&print=1 2 - No, my observation has been that even tough a fish looks healthy, when submitted to stress the same disease you tried to eradicate comes back. 3 - Considering my previous answer, i believe that maybe all fish we come in contact with have internal parasites, but in controlled numbers. That said the development and growth rate we observe and consider normal is already being harmed by said parasites, so we don't have a comparison base to the non infected fish. 4 - Medicine packages always instruct us to redose under the premisse that medicine loses effectiveness with time, but there don't seen to be a lot of info on how long it stays active. Indicates that metronidazole is only effective during 8 hours after touching water -> https://wattleydiscus.com/metro-discus-medication-metronidazole/
  2. Hi guys. I'm a big fan of the co-op from Brazil and would like some help. I'm having problems with my plants growth, and i don't have easy options for fertilization or light. My plants seem stagnant, they don't die, but they aren't thriving. I don't have access to a fluval 3.0 or something like that, they are not sold here. The plant specific lights are really expensive and i can't afford them. So, this is my ~20g planted tank, picture was taken October 28: At the time of these pictures the tank was inhabitated, but now I added 5 albino corydoras (pics from today): I have tried to add more hardness to my water with calcium and magnesium carbonate but that didn't help with plant growth (that's the white dust all over everything). I use a popular substrate from a brazilian company by recommendation of other fish-keepers that have had success with it, which has these specifications: Formula: TiO................................ 0,05% K.....................................0,24% Ca................................. 1,05% Mg............................... ..0,84% Fe................................. .0,27% Al................................. ..1,16% Si.................................. .6,35% N.................................. ..0,40% P................................... .0,07% S.................................. ..0,34% Na............................ ..0,0009% PPM: Mn....................................166, 9Zn....................................292,5 Cu......................................14,2 B........................................63,8 electric conductivity 1.600 (umnhos)CTC...................15,5(me/100g) humidity.............................10% My light is a 50w led reflector like this: These are my tests results from last week (i use SERA tests): PH= 7.5 GH= 3 drops KG= 2 drops nitrate= 10ppm Temp: ~80º F I don't have CO2. I have these fertilizers at hand, but they don't seem to do anything (even dosing 2 times the recommended amount.): Each dose adds the following: NPK: 6.0 PPM NO3 1.0 PPM PO4 3.8 PPM K 0.6 PPM Mg Micro: 0.07 PPM FE 0.01 PPM B 0.06 PPM MG 0.05 PPM MN 0.01 PPM ZN 0.01 PPM CU Potassium: 2.5 PPM K Iron: 0.4 PPM FE Any idea of what i'm doing wrong? Thanks in advance. Sorry about all the information.
  3. Hello everyone, my name is Henrico i'm 23 years and from Brazil. I have been keeping aquariums since i was 12 having some breaks from time to time. I saw Cory and the co-op channel for the first time in 2013 and been a subscriber ever since. More recently I became a member (a little more than a year ago). I really like how Cory and the crew display in a easy way how to keep our fish tanks and its very clear to me how much they care for the hobby. I wish i had easier access to their products. Looking forward to interact with the community more closely through the forum.
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