Your_Grimm_Reminder

I personally don't think it matters. And haven't found any reason to do so

might just be doing that because there is nothing making it leave through the plants skin. if its doing it fast though idk

ive been wanting to get some substrate that would help my plants, im between fluval stratum and substrate from brightwell aquatics but ive heard that the fluval stratum can lower tannin levels (undesirable for my blackwater tanks) and was wondering if that was true/if they both do that, or any other recommendations of brands that wont