I bought one for my mother, is growing quite well, and is actually flowering now.
The traps turn purple when they eat, also they need a lot of water, I just add it right from the spring (water here is very high quality).
Also gave it 1-2 drops of ammonia once in the water.
The flowers grow on a branch that stretches far away from the traps.
They grow well in sunlight by the window, considering getting one for myself too.
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