Anubias Nana Care: Hardy Aquarium Plant Tips

You can’t kill an Anubias nana unless you let it dry out completely—it’s that forgiving.

It thrives in low light, needs no CO₂, and grows so slowly you’ll forget trimming exists.

Perfect for nano tanks under ****5 gallons; just tie it to driftwood with thread or glue.

Keep the rhizome exposed or it rots.

Water temps 72–82°F, pH 6.0–7.5, stable and easy.

Real nana stays compact and dark green, not tall and pale.

For true low‑maintenance success, stick with that authentic label.

If you want propagation tricks and tank mate picks, keep going.

At A Glance

• Attach to wood or rock; never bury the rhizome to prevent rot.
• Thrives in low light (10‑20 μmol PAR); no CO₂ required for growth.
• Keep temperature 72‑82 °F; stable pH 6.0‑7.5 and KH 3‑8 dKH.
• Use fishing line or super‑glue gel to secure rhizome to hardscape.
• Tolerates beginner mistakes; only drying out truly kills this plant.

Why Anubias Nana Is a Top Choice for Beginner Aquariums

Since Anubias nana is basically unkillable—short of leaving it to dry out on your coffee table—it’s hands down the best plant for anyone new to aquariums. You don’t need a green thumb, just a little common sense. It thrives in low light, so you can skip fancy CO₂ gear. It’ll survive in a nano tank under 5 gallons, too. No special substrate? No problem—just tie it to driftwood.

• Grows slowly, so you won’t panic over weekly trims
• Tolerates your inevitable beginner mistakes (like forgetting water changes)
• Leaves stay algae‑free if you add a few algae eaters

Bottom line: you can’t mess this one up.

To protect fish that might jump from the tank, consider pairing your Anubias setup with a magnetic aquarium lid for easy daily access during feeding.

For bucket-based water changes, choose a collapsible 5-gallon bucket that folds flat for storage near your tank.

What Makes a True “Nana” Anubias?

You’ll know you’ve got the real deal when it doesn’t stretch or thin out.

Counterfeit varieties grow taller, looser, and paler under the same low light.

Stick with trusted sellers who label it *Anubias barteri var. nana*.

Stick with trusted sellers who label it *Anubias barteri var. nana*.

It’s like buying a vintage chair; smaller details prove authenticity.

To help the plant thrive, ensure dim lighting and stable water conditions with a pH around 7.0.

When attaching your nana to rocks or wood, a non-toxic fish-safe gel sets in 30 seconds underwater for a secure bond.

Set Up the Perfect Tank for Anubias Nana

Before you can enjoy those perfect Anubias nana leaves, the tank has to do the heavy lifting. Get this right, and you’re part of the club that grows lush, hassle-free plants.

1. Pick a tank size—10 gallons is your sweet spot; nano tanks under 5 gallons need careful water testing or things go sideways fast.
2. Add a heater keeping 72–82°F; a $20 50-watt model works for most setups, just don’t skip the thermometer.
3. Skip the CO₂—it’s optional and speeds growth, but your nana won’t sulk without it. For lower light needs, Java Fern offers a similarly hardy option.
4. Choose fine-grained substrate or attach the rhizome to driftwood with super glue. Burying the main stem? That’s a death sentence.

See? Easy. For smaller setups, consider a kit with adjustable 3-color LED to support low-light plant growth.

Best Lighting Levels for Compact, Healthy Growth

You’ve got the tank sorted, heater humming along, and substrate in place. Now, lighting—get it right for compact, healthy Anubias Nana. These plants aren’t drama queens; low-to-moderate light works best. Too much intensity invites algae, and nobody wants that mess. Gentle filtration using dense foam avoids disturbing the delicate leaves while keeping water crystal clear.

Stick to low or moderate levels. Your Nana stays bushy, not leggy. You’ll feel like part of the club when those leaves stay pristine. No need to overthink it—just match that sweet spot. For precise monitoring of your water conditions, consider using a reliable pH meter to keep algae in check.

How Many Hours of Light Does Anubias Nana Need?

Since you’ve already nailed the intensity, let’s lock in the schedule. Anubias nana thrives on consistency, not marathon light sessions. You’re aiming for a sweet spot that fuels growth without inviting algae.

1. 8–10 hours daily – This range is your goldilocks zone; longer risks algae, shorter starves the plant.
2. Use a timer – Seriously, you’ll forget. Set it and forget it, like your morning coffee routine.
3. Avoid direct midday sun – That’s an algae buffet. Stick to your tank’s artificial lights.
4. Adjust for algae – If green shows up, cut an hour off; your nana won’t mind.

Stick to this, and you’re one of us. For reliable results, choose a model with preset timer cycles to automate your schedule. Many digital controllers also offer sunrise/sunset simulation to reduce fish stress.

Ideal Water Parameters: Temperature, pH, and Hardness

Alright, you’ve got the light schedule dialed in.

Now, let’s dial in your water.

Anubias nana isn’t picky, but it’s got a sweet spot. Keep your temperature between 72‑82°F—that’s room temp for most community tanks. For stable heating, consider using an aquarium heater with automatic shut‑off protection to prevent temperature spikes.

Anubias nana isn’t picky, but it’s got a sweet spot—keep your temperature between 72‑82°F.

Aim for a pH of 6 to 7.5; slightly acidic is its happy zone.

Water hardness? 3‑8 KH is fine.

You don’t need to chase perfect numbers, you just need stability.

Stray too far, and you’ll see slow growth or melting leaves.

Keep it steady, and you’ll belong to the club of happy, low‑maintenance plant parents.

Maintaining stable water chemistry supports healthy root anchoring and prevents stress.

Do You Need a Heater and CO₂ for Anubias Nana?

Here’s what you gain:

1. Steady 72‑82°F: A heater stops growth-stalling temperature swings, common in unheated rooms. Models with digital display thermostats maintain temperature within ±1°F for precise control.
2. Faster propagation: CO₂ injection boosts leaf production speed, so you’ll fill your tank faster. Reliable buffering depends on predictable performance from your alkalinity supplement to maintain pH stability.
3. Algae prevention: Balanced CO₂ reduces algae that thrives in low‑CO₂, high‑light tanks.
4. Less guesswork: Consistent warmth and carbon mean fewer melt‑and‑recover cycles for you.

Bottom line: skip both and it’ll survive; use both and it’ll thrive. Your call.

Substrate or No Substrate? Planting Options Explained

Why bother with substrate at all? You don’t need it, honestly. Anubias nana’s rhizome—that thick, horizontal stem—rots if buried. So substrate isn’t for planting; it’s for anchoring or aesthetics. For tanks with bright lighting, fluorescent-accented gravel can visually enhance the tank without impacting water chemistry.

• Fine gravel or sand (like CaribSea, $15‑20 per 10‑lb bag) lets roots grip without covering the rhizome.
• No substrate? No problem. Just let it float or rest on the tank floor; it adapts.
• Pro tip: Add root tabs (e.g., Seachem, $10) if you use substrate—it boosts growth without burying the stem.

Bottom line: Skip substrate if you want minimal fuss. Use it only for looks or root stability. Your nana won’t judge.

Because the tank’s weight and stand stability matter for overall setup, a proper distribution of weight is critical for structural integrity.

How to Attach Anubias Nana to Driftwood or Rocks

Since burying the rhizome is a death sentence, you’ve got to attach Anubias nana to something solid like driftwood or rock instead. No glues or drills needed, just a little patience. Here’s how you join the club:

1. Use fishing line or cotton thread – wrap it snugly around the rhizome and your wood or rock; it’ll degrade or hide as roots grab hold.
2. Try super glue gel – dab a tiny drop on the rhizome, press it against dry driftwood for 30 seconds. It’s safe, I promise.
3. Tuck into crevices – wedge the rhizome between rocks or into wood cracks; it’ll anchor itself naturally.
4. Be patient – roots take weeks to grip; don’t yank on it like you’re testing a tent stake.

If you need additional biological support to keep the water clear while your plant settles, ceramic rings host beneficial bacteria to help break down fish waste. This species grows slowly and tolerates low-light conditions without requiring CO₂ injection.

Common Mistakes That Kill Anubias Nana (And How to Avoid Them)

You’ve got your Anubias nana attached to driftwood like a pro, but that’s only half the battle.

The number one killer? Burying the rhizome—that thick, horizontal stem. It rots, fast. Keep it exposed above substrate or glue. For extra stability without burying the rhizome, consider natural river stone plant weights.

Next up: blasting it with high light. That’s an algae invitation you don’t want. Stick to low or moderate lighting.

Finally, ignore water changes, and waste builds up, melting those tough leaves. You’re part of the club now—avoid these slips, and your nana thrives. For a reliable alternative, consider low-maintenance artificial plants that never rot and need no pruning. Simple fixes, serious payoff.

Propagate Anubias Nana in 3 Simple Steps

Once you’ve mastered the basics—and you have, or you wouldn’t be here—propagating Anubias nana is almost laughably easy. You’re just dividing the rhizome, that thick stem connecting leaves and roots. Grab a sharp knife and spot natural splits. Each new section needs at least three leaves and solid roots.

1. Remove the plant and rinse gently.
2. Cut the rhizome into pieces; don’t crush it.
3. Trim off any yellowing leaves.
4. Attach each piece to wood or rock with thread or glue.

Don’t bury the rhizome—just secure it. Use food‑grade quick connectors to safely adapt tubing for your aquarium filter system. For healthy growth, replicate the full spectrum that macroalgae require, including blue and red wavelengths. That’s it. You’re now one of us.

Best Tank Mates for a Healthy Anubias Nana

So you’ve got the rhizome‑splitting down.

Now you need buddies that won’t wreck your hard work.

Now you need buddies that won’t wreck your hard work.

Avoid goldfish or crayfish—they’re hungry, destructive plant-eaters.

Instead, grab small, peaceful community fish.

Here’s your squad:

• Otocinclus catfish – algae‑eating ninjas, $3‑5 each.
• Neon tetras – tiny, colorful, won’t nibble leaves.
• Corydoras – bottom‑dwellers that sift sand, not roots.

Snails like nerites clean leaves gently.

Shrimp? Amano or cherry shrimp graze algae without damage.

They’re cheap, effective roommates.

Bottom line: Stick with small, non‑aggressive species.

You want a thriving tank, not a plant massacre.

Belonging means every critter plays nice.

To anchor these decorations securely underwater, consider using epoxy putty that is safe for aquarium inhabitants.

For stable water conditions, a digital temperature controller helps prevent stress on your fish and plants.

Why Algae Appears on Leaves and How to Fix It

Even though you’ve nailed the tank setup and chosen peaceful roommates, algae still shows up on your Anubias leaves—like that uninvited guest who just won’t leave. You’re not alone; it happens when light hits too long or nutrients go wonky. Here’s your fix:

1. Check your light timer—keep it under 8 hours daily; excess light fuels algae growth.
2. Reduce direct flow—strong current traps debris on broad leaves, feeding the invasion.
3. Add algae eaters—nerite snails or otocinclus catfish clean without harming your plant.
4. Spot-treat with hydrogen peroxide—dip leaves in a 3% solution for 2 minutes.

You’ve got this—your tank’s worth the tweak.

Signs Your Anubias Nana Is Thriving vs. Struggling

Wondering if your Anubias Nana is living its best life or just barely hanging on? Here’s your cheat sheet.

Thriving: You’ll see firm, deep‑green leaves—broad like teardrops—and maybe a rare white bloom that lasts months. New growth appears steadily, even if slow. The rhizome stays healthy, not mushy, and roots anchor well to driftwood. Algae? Minimal. Temperature sits at 78°F, pH around 6.8. That’s a happy plant.

Struggling: Yellowing leaves? That’s a light or nutrient issue. Mushy rhizome? Rot—trim it fast. Algae coating? Too much light or dirty water. Leaves melting? Check your temperature or CO₂ levels.

Bottom line: healthy leaves = you’re winning. Stressed leaves = tweak one thing at a time. You’ve got this.

Frequently Asked Questions

Can Anubias Nana Grow Emersed in a Paludarium Setup?

Yes, you can grow Anubias nana emersed in a paludarium, and it’s actually quite easy.

It loves the humid air above the waterline, so just attach it to driftwood or rock—don’t bury that rhizome (the thick stem).

You’ll get thicker leaves and even rare white blooms.

Need proof? It thrives in shallow riverbanks back home.

Just keep it warm, 72‑82°F, with low light.

No CO₂ required.

Bottom line: it’s a perfect low‑maintenance choice for your setup.

How Long Do White Flowers Typically Last When They Appear?

You’re in luck—those white blooms stick around for a few months, often 2 to 3, before fading.

They’re rare but a treat when they show, resembling a peace lily.

Don’t expect them often, though; your Anubias Nana focuses on leaf growth.

Trim spent flowers to keep energy in the plant.

It’s a slow, steady performer, just like you want in a low‑maintenance tank.

Can I Keep Anubias Nana With Shrimp Without Issues?

You absolutely can keep Anubias nana with shrimp, no issues—it’s a perfect match.

Shrimp love grazing on its broad leaves for algae and biofilm, and the plant’s tough texture means they won’t damage it.

No special setup needed: just attach the rhizome to wood or rock, keep low light, and let it thrive.

Shrimp are safe, the plant is happy, and you’ve built a tiny ecosystem. That’s a win-win, simple as that.

What Causes Brown Spots on Older Anubias Nana Leaves?

Those brown spots on older leaves? That’s likely just normal aging.

Anubias nana’s slow growth means old leaves eventually die off, turning spotty before they yellow and fade.

Don’t panic. It’s rarely a nutrient deficiency with this hardy plant.

Trim those older leaves at the stem to keep it tidy and encourage new growth.

If you’re running high light, check for algae—it can hitch a ride on aging leaves too.

Simple snip, simple fix.

Do I Need to Fertilize Anubias Nana in a Low-Tech Tank?

No, you don’t need to fertilize Anubias nana in a low-tech tank. It’s a slow-growing, hardy plant that pulls nutrients from fish waste and the water column.

You’ll only run into trouble if you bury the rhizome or crank up the lights without balancing things. Skip the fertilizers—they’re more likely to feed algae than speed up your Anubias.

Stick with weekly water changes; that’s plenty.

Rounding Up

So, you’ve made it this far without killing a plant — nice work. Anubias Nana isn’t flashy, but it’s the most reliable roommate you’ll ever have. It won’t beg for light, fertilizer, or CO2. Just tie it to a rock and move on with your life.

Why buy it? Durable, cheap (often under $10), and forgiving of beginner mistakes.

One warning: Bury the rhizome (the thick horizontal stem) and it rots — above the substrate, always.

Bottom line: If you want a plant that outlasts your patience, this is it. No drama, just green.