Hornwort and floaters keeping my guppy tub clear, but the water is tea colored, ok?
Outdoor guppy tub has hornwort, frogbit and a bit of oak leaf litter. Water is clear but dark tea brown, fish look great and eat well. Is the tannin a problem for juvies or just cosmetic? Ammonia and nitrite both read zero.
2 comments
Just cosmetic as far as I know. Tannins even soften the water a little. If the guppies are coloring up and eating, I'd leave it alone.
Tea color is fine for livebearers, it's basically blackwater lite. I'd just do a water change if the pH drops under 7 in hard water setups, though that's rare with guppies.
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