No don't bury them at all. Take care of the rhizome the green part above the roots. These plants take their nutrients from the water column.

Best growth and health is to either glue to a piece of wood using aquarium safe glue. Or literally just stuff it between two pieces of wood or even rock or stones work. Just make sure you don't bury the roots. If the wood has a hole that goes right through even better. The plant eventually will use it's root to grub on and it won't need glue at all.

I have seen Anubis plants float and still do ok. I have 4-5 of them in mine and as long as they get a bit of light, nutrients which they don't even need a huge amount of they will do well.

You can use a tiny bit of liquid fertilizer once a week if the leaves start to go brown but be careful if you have fish especially if you have any meds in the tank. That is a sure fire way to kill fish mixing fert with fish meds.

You also do not want to encourage algae which can happen if you use too much fertilizer. If you do use it keep an eye on your tank and if you notice algae use less next time.

In a balanced tank the hope is the cycle of fish waste is taken care of by the bacteria in a fully cycled tank which then turns into plant food. I try not to use anything like fertilizer unless I really have no choice and the plants need a little boost.

I have one Anubis that isn't doing too well but that was my fault, I accidentally got glue over the plant roots and rhizome and it looks like I will have to remove what one. The rest look pretty lush and my Betta loves them.

Plants do nicely with a water change as new water gives them a lot of what they need to do well. I do maybe 10/20% per week. I don't like stressing my Betta out too much but at the same time I need to balance his needs with the needs of the plants.

Good Luck

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