Hey, no prob bud. We paludarium geeks gotta stick together. I haven't slung a fly in about 2 decades now. Lol i do still have my fly rod though. I now prefer the laziness of fishing for catfish. Toss the bait out, sit and wait. Gives me time to plan new builds
And if you are running charcoal in your filter, you need not worry anout tannins anyway. The charcoal will absorb them.