Truths & Myths About Lucky Bamboo in the Aquarium

It’s understandable why so many fishkeeping enthusiasts want to have bamboo within their aquascape.

But there’s a flaming debate on can you put bamboo in a fish tank and would it be safe to your fish.

Yet this plant looks just mesmerizing, giving that impression of a small Chinese forest.

But does it want to be in your aquarium? If so, how to put it in there, would it sink?

The concept of a bamboo plant in fish tank submerged in water completely does raise some questions.

I found the answers to all of these.

The truth about using bamboo in a fish tank setup

Clarification on the common misconception about using bamboo in an aquarium:

True bamboo (Bambusoideae subfamily) is not an aquatic plant.

It will immediately start to rot when introduced to a fish tank. This will foul the water and induce a spike in ammonia levels, which can be lethal to fish.

Thus, you can’t put true bamboo in your aquarium.

There is a plant that strongly resembles the looks and WILL survive in your tank, however.

Dracaena Sanderiana, commonly known as lucky bamboo can survive partially or fully submerged in water.

It is completely unrelated to the true bamboo and it has adapted to survive floodings. With proper care and sufficient nutrients, lucky bamboo can be safely introduced to an aquarium.

Note that lucky bamboo is not an aquatic plant as well.

However, its origins and survival mechanisms allow it to live in water for a prolonged period of time. This period can be extended greatly – up to years.

The honest truth about growing lucky bamboo submerged in water

This is one of the most controversial topics I’ve found on and offline.

I, myself, have switched between team “fully submerged” and “leaves above the water” more than once.

After reading tons and discussing it with successful and unsuccessful users I finally came to the conclusion that I’ll just have to try it myself.

This plant was simply too good-looking in an aquarium, so I thought it’s worth the experiment. Here’s what happened:

It’s true. You can grow lucky bamboo underwater as long as it is fresh water. It does not rot and the leaves keep growing.

However, there’s a secret to it all. Actually a couple of secrets.

I will share them with you and put an end to this dispute once and for all.

To grow lucky bamboo fully submerged in water you need to:

  • Supply it with sufficient carbon dioxide. I used Seachem Flourish for the purpose and I’m really happy with it.

    Simply follow the instructions and put a full cap every or every other day.

  • Plant it deeply. This way you limit the roots from spreading above your substrate and becoming a questionable snack for a curious fish.

    It also really helps with stability and positioning.

    I’d say you need around 4 inches of substrate for a happy lucky bamboo plant.

    For some quality options regarding nutrient-rich substrates for planted tanks I put together a comprehensive guide that you can visit here.

  • Aerate your fish tank water well. Contrary to the popular belief plants do need oxygen to survive.

    They use it up for aerobic respiration, which is their process of breaking down sugars and converting them into energy.

    Natural oxygenation occurs better in long tanks as they have a wider water surface area.

    Other ways to provide more oxygen for your plants is by weekly water changes, air stones etc.

  • Provide it with low to medium lighting. Lucky bamboo needs low lighting by definition.

    It originates from the tropical forests of Cameroon where taller broad-leafed plants would cast shadows over it.

    In response, it had to adapt its light requirements to survive.

    Direct sunlight will burn the plant’s leaves and they will turn yellow, which is a good sign to turn down or redirect the lights.

    If you’re new to aquarium lighting and don’t really know what will best suit a low light-requiring plant, I suggest that you skim through this guide.

Busting some lucky bamboo myths

1. It will secrete toxic stuff in the water – That will only happen if you put real bamboo in your aquarium and not Dracaena.

Real bamboo belongs to a completely different family of plants and it will rot when submerged in water. Lucky bamboo is not at all toxic to your fish.

If you don’t want to contaminate your water, make sure you’re actually getting Dracaena Sanderiana and not something else.

Note: Some people advocate using dried real bamboo in the fish tank.

In that case, you’d need to boil the sticks for at least 30 minutes.

There might be some dormant mold on it (in the form of little black spots), which you wouldn’t want to introduce to your aquarium.

Make sure they are naturally grown – pesticides are dangerous to your fish. Here comes the tricky part though: You’d need to coat it with a clear matte, that’s based on acrylic resin.

This is done to prevent water from entering the wood, causing it to rot.

However, I am not a fan of the idea, because you’d have to coat it inside out to completely seal it.

If the bamboo sticks are, say, 1/3 inches in diameter it will be really hard to fully cover the inside.

If you do, by any chance, decide this is your method, sink your sealed bamboo in crystal clear water for at least 24 hours after the treatment.

After that, check if there has been any contamination during that time. It would be a clever move to test this water before and after the soak to see if there were suspicious movements in the parameters.

2. You won’t be able to fertilize it – Yes, you won’t be able to, but in actuality, that won’t be needed at all.

Fish tank water is heaven for this plant.

It has tons of nutrients including the magical fish waste. Your bacteria will take care of the rest.

If your tank is properly cycled (a link to the guide I wrote on how to do that in less than two weeks) your beneficial bacteria will convert the ammonia into tasty nitrates. Lucky bamboo LOVES eating nitrates.

In fact, it’s one of the best natural remedies versus high levels of nitrate in your aquarium.

3. The leaves need to remain above the water – This is not necessary, but there’s nothing wrong with it either.

The plant will thrive with its leaves out of the water and if you think it looks better on your current aquascape setup – go wild.

4. You need to grow it in your filter – I’ve noticed that it’s sort of trendy for people to grow lucky bamboo in their filters.

That’s completely fine, but it’s not exactly needed either.

If you choose to do so, you may find out that the plant’s root system will eventually outgrow your filter’s available space.

If you want lucky bamboo as decor, it’s best to just plant it inside your tank, it will still use up plenty of nitrates.

Best place to get yours

Your local pet store will have them for sale, that’s for sure.

Asian supermarkets will have them as well but, perhaps, a little pricier.

However, I found that Amazon has the best collective price on them in general, as long as you’re willing to wait for the delivery (which in my humble opinion is totally worth it).

Browse around in their store a little and find the deal that suits you best.

If your aquarium is taller I suggest you look up the spiral lucky bamboo.

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Ethan
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Ethan

Thanks for taking the time to share this! Answered many questions I had!

Chris
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Chris

I agree, word for word, with the Comment posted below by Ethan.

Herman
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Herman

Excellent info… thanks!!!

Jeff
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Jeff

thankyou for the content, it was delightly educational!