I thought they have some sort of organic molecule attached, mainly because I was reading once for humans that there's a difference how we process organic and non-organic minerals.
So what is your opinion on adding nitrates in a loach tank? Am I possibly stressing the fish? I am not adding much as it's a low tech, maybe 3-4ppm at a time.
I keep fish, feed the fish and the fish will excrete the feed - resulting in sufficient fertelizer in my eyes.
@ organic, inorganic compounds
for most minerals you are right. Iron, for instance, is best eaten together with a heame group. We use iron to transport oxygen, or store oxygen, and this iron is used in a protein, called heamoglobulin for transport and myoglobulin for storage. In both cases the iron is hold in a certain place in the protein, but further surrounded by an organic molecule, haeme.
Luckily, other mammals have the same heame in their body, so eating steak we get the iron in the most available form. This is procvessed over 100 times easier then if we would eat an iron rod.
But nitrate (which we, humans, don't need) is never bound to a protein or an organic compound.
Nitrate, NO3, can exchange an O for an organic molecule, such as CH3-NO2, but I think this compund would be named in nitromethane - It's been a while since I learned naming compunds, and I forgot most of it
R-NO2 (without any + or -) reacts way different from NO3- - hence the different name
Adding the others get my plants back growing but I really don't want fish to be affected if it does because I only have a few plants, not really a planted tank. The only reason I want the plant growth back is because the fish do like browsing amongst them. I use dry ferts and dose the water directly with powder so sometimes I may overdo it a bit.
With clown loaches its hard to figure long term effect of anything because one needs to wait like 20 years and you kind of get one shot at it.
It's probably best watched full screen as I took it with lights off and camera is horrible. He's sitting on his tail in the left corner mostly. staring at the "sky" , he loves squeezing himself there but will appear middle video in full length. I think he's grown again.
https://www.youtube.com/watch?v=1IENzzj ... e=youtu.be
Anyway, the big loach this thread was opened for is doing well. He's larger/longer than what he was but its hard to tell how large as I never bothered measuring him.
Someone did tell me clown loaches are tank busters. But mine literally busted two glass tanks so now they got a Rubbermaid pond
The black sides of the tank actually doesn't make the clowns spooky and it feels to me I see a lot more of them this way. They love it too. They've been very playful since moved to this tank.
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