ai yo..i said must cover with a layer of gravel mah. dont let it explore inside the water. else, thread and BBA will grow faster than yr plants.

so far i tried no problem with my 2ft. only when i pulling out the glosso...some of them came out...scared like hell. changed 80% of water for 2 times within 3 days. and now...BGA growing. damn damn...

btw, try at yr own risk ah.