Sorry, missed that it was your own video there! No offence intended at all, but I just rewatched and I still find the subtitles confusing and misleading. H202 introduces oxygen into the water, Co2 introduces , well.... Co2! Plants take in carbon dioxide to grow and give out oxygen, hence pearling when they do this really fast. Bubbles on surfaces (plant or otherwise) from h2o2 treatment is not pearling; the plants don't use the oxygen. It is just whatever (organic?) matter that is on the surface being oxidized, at least as far as my rudimentary water chemistry understanding has me believe! The only benefit I am aware of h202 for plants is that it can remove surface algae from the leaves. The only similarity between the co2 + h2o2 is the appearance of oxygen bubbles on the leaves, but with h202 this is not being produced by the plant and is not an indicator of plant health / growth.
h202 will affect all lifeforms at a sufficient dose. Lower level organisms like bacteria are affected at lower level doses, then as the dose in increased it can start to kill algae, shrimp, snails, fish....humans? The key is to pick the dosage to kill off the lower level organisms you don't want, whilst not harming the higher level organisms you do want (and hopefully protecting the beneficial bacteria you want to keep during the treatment, e.g. by not running the filter during treatment). Sufficient dosage to kill snails would probably also be to the detriment of shrimp and fish, so I don't think this is a good treatment option.
The dose introduced by the Sochting oxydators I mentioned is very low and slow, not enough to kill anything. Their function, as far as I can understand, is to provide additional oxygen in the water for livestock. I can't see that constant higher dosing can be a good idea for any tank, but occasional treatments are, I agree, great (especially in shrimp tanks!).
Sorry, not wanting to be argumentative or put a downer on your rather nicely presented video, but I do feel it contains quite a bit of misinformation. And since anything said in a Youtube video seems to become gospel these days, I do think it's important to point this out.
Kind regards, James
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