hi iv never grown orchids before and wanted to start i live in aus and have a hexagal tank siting around ,how could i use that and what lights should i buy thx
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That's a great tank! I do not grow mine in tanks but many do here on OB. If you go to the forum and scroll down, they have a thread about growing in tanks.
What types of orchids do you want to grow?
First, why not buy an orchid and try growing it without the tank to see if orchids are something you want to invest in? There are so many and you could buy according to your light, temps, etc that you have where you are. Just a thought. And Welcome!!!!!!!