Re: D. paradoxa
Oh, one more thing... I water my Drosera from the bottom, meaning I place the pots on about 1cm of water and let the water seep upwards through capilary action to the roots. This way the sand topping is not wet and algae will not grow.
There is no problem with low humidity as the pots are placed on a water tray. So eventhough the sand topping is dry, the water around the pots would do the trick. Also the media below the sand topping will always be wet, just how they want it.
It would be great to hear from other members on how they prevent algae growth on their Drosera media.
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