Calappidae
Harlequin Shrimp
How do you do a 100% water change without hurting the tank inhabitants?
It shouldn't be done... probably just took out a few gal, then filled it up again, then took out more.. etc..
Water changes shouldn't be done during the cycle..you need ammonia and nitrite to adjust the tank to the bio-load. Also, does that filter have any bio media in it? (like a bio-wheel, bio balls, etc..) if not your tank will never cycle.
Mushrooms are a pest in my tank.. can't kill them... you'd have to need some serious skill to kill a mushroom..
Also, +1 on the brine shrimp getting sucked up.. there would be too much flow in there for them..
I'd also be worried about the suction from such a strong filter, strong current, in a small tank.
Calcium was high at first.. calcium is now low but I don't think that matters for mushrooms.
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