I’ve mentioned before that aquariums have been a lifelong hobby. I’ve had tanks ranging in size from 2 gallons to 55 gallons. Glass and acrylic. Freshwater and even, briefly, saltwater (beautiful to look at but too expensive and labor-intensive).

One thing I had never tried was live plants.

Instead, I gravitated toward artificial plastic plants in gaudy colors you’d never find in nature. Some even glowed in the dark. The rest of my decor was just as tacky. I probably hit a new low when I added the ceramic pink flamingo.

But a funny thing happened last month. I was staring at the aquarium one day and realized I hated the way it looked. All that fake stuff wasn’t me! When I worked at a tropical fish store in high school (my first-ever job), I laughed at the people who bought tacky crap like plastic treasure chests with lids that open and close, skeletons manning the ship’s helm, mermaids riding seahorses, and intentionally ironic NO FISHING signs. Somehow, all these years later, I had morphed into that very guy I pitied.

So, I decided to completely redo my aquarium. My new mantra? Au naturel, baby! I’d recently discovered a great tropical fish store in Madison called Big Kahuna; from the outside it’s a very unassuming warehouse in an industrial park, but step inside and you’re greeted with seemingly endless rows of tropical fish, tanks, stands, supplies, and plants. I loaded up on natural rocks and driftwood, which then had to soak in water for 2-3 weeks to leach out all the tannins. Once that was complete, I replaced my gaudy collection with the new stuff before moving on to stage two: live plants.

As knowledgeable as I am with aquariums, I knew next to nothing about plants. But I figured, we already have one green thumb in the family. Maybe we could have two! Though mine would be more of a wet thumb.

I spent a couple of weeks learning all I could about aquascaping through online articles, blogs, and YouTube videos. Familiarized myself with different types of plants, learned how to care for them, and – much like Tara plots out her garden beds every year – came up with a diverse grouping that my research promised would be fairly low-maintenance and beginner-friendly.

(Unlike my wife, I did not draw diagrams on graph paper, though it’s awfully cute that she does.)

Saturday was the big day. I drove to Big Kahuna, stocked up on plants and tools and supplies and, what the heck, a gorgeous koi angelfish that would serve as a beautiful centerpiece. I filled my first-ever 10-gallon tank with angels back in the day, but hadn’t owned any in decades. I guess you can say I’m taking this whole going-back-to-my-roots thing seriously.

I came home and got to work. One of the coolest things about creating an aquascape? The roots of some aquarium plants, like java ferns, don’t get buried; you can attach them directly to rocks and driftwood with aquarium glue, which is exactly what I did. Others, like swords, grow very tall; you plant them in the back and nourish with root tabs, which are basically tiny fertilizer pellets buried in the substrate. Whew; so much to learn! But I feel reasonably knowledgeable now.

Ninety minutes later, my tank was completely transformed. Here’s a before-and-after: Nov. 2023 (left) and today (right).

I couldn’t be happier with how it turned out! Once these plants grow and fill out (fingers crossed!), they’re really going to look impressive. And they make the fish happy, too. I’m already itching to add more.

“Now you know how I feel,” Tara said. Which I think is really just a subtle play to prevent me from bitching when she comes home with a pickup bed full of yet more flowers and herbs and vegetable starts and shrubs, but I gotta admit – ulterior motives aside – she’s right. I do.

Have you ever owned tropical fish? How green is your thumb? Got a fun hobby?


55 responses to “One green thumb, one wet thumb.”

  1. Your tank looks great – and I agree: a big improvement. If your fish could speak, I bet they’d thank you for redecorating. Our tank is much smaller (2 gal) but the Husband outfitted it with real plants and a couple of rocks with big swim-through holes in them. We think Cobalt likes it. Hey! Something else you and the Husband have in common: fish parenting!

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    1. Ooh, you’re right. He and I really are kindred spirits at times! I’m impressed he went to the trouble of doing live plants for one fish, but bettas do like them even more than most fish.

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      1. They were pretty easy – they just stick to the side of the tank.

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  2. I’ve always wanted to have an aquarium… but never took the plunge. (Sorry, couldn’t help myself)
    The live plants look great and I’m sure the fish will love them. So much nicer than plastic.

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    1. Nice wordplay! Plastic is convenient, but that’s about it. There are some silk plants that are a little more realistic-looking, but a real bitch to clean the algae from.

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  3. Had fish as a little kid, then a frog at 10..but spilled his live crickets in the house and that ended. Do not have a green thumb at all, but then we don’t get enough sunlight anyways.

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    1. Oh, boy. I imagine the houseful of crickets didn’t go over well with your parents!

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      1. Nope. Released the frog in the local creek the following day

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  4. It looks great Mark! The kids had a bowl with one beta after the other until we finally said no more. I had a long-term boyfriend once who was into fish. I don’t remember much about the aquarium, except some angels and catfish looking things maybe? Some of the ones in your tank look vaguely familiar. Something or someone started eating the angels or they got some wasting disease or some sort of fish crud. It’s all really wonderful to look at, but I’m too low maintenance to want to have to take care of a tank 🙂 I do pretty well with plants however…

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    1. Thanks, Deb! The aquarium maintenance is second nature to me at this point. As much as I love angels, you should only do one if you’re mixing with other fish, because they have a tendency to gang up. But this guy’s super mellow on his own.

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  5. Nice! It looks much better. I am not a fish person myself, but my older brother had a tropical fish tank when we were growing up. My younger sister had a tank with her turtles and the minnows that her turtles hunted and ate. But she tried to be fair–if the minnows lasted long enough, they got moved up to my brother’s predator-less tank!

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    1. I wanted a turtle as a kid so badly! I think that would have been pretty low-maintenance (and I’d probably still have him to this day!).

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      1. It’s not the highest maintenance pet, but you have to use gloves and clean the tank frequently because they carry salmonella. Probably a tortoise is somewhat lower maintenance AND they eat weeds.

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  6. I have had various Betta fish throughout the years…and 2 goldfish. Garver and Nunez (Miami Ink fan!). Nunez didn’t last very long, but Garver held out for 5 years! I would love an aquarium, but no fish deserves to die in that way. It’s better if I don’t.

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    1. Goldfish are super hardy; that’s definitely the way to go if you trying to keep it simple! I’ve had a lot of luck with danios, certain tetras, and algae eaters (I swear those guys are impossible to kill).

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  7. it looks beautiful and your hard work has paid off. my ex loved aquariums and had a variety of them over the years, and he finally moved to live plants as well, it really added a nice feel to the tank –

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    1. Thank you, Beth! They’re so peaceful to just watch. I spent an hour just taking all these photos.

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      1. they really are

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  8. It looks great! My thumbs, as it turns out, are not overly green, so I can only imagine the limited success I’d have with aquarium plants. Or fish, for that matter. If I can’t keep plants alive, animals don’t stand a chance.

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    1. Best to keep your thumbs in good working order so you can concentrate on all those handstands!

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  9. I’ve had freshwater fish but never any tropical.

    I like both of your tank decor selections. I’m glad you’re happy with the new one and hope everything grows well.

    I have a mostly green thumb for outdoor plants but a brown thumb indoors. Now, my youngest cats kill everything before I have a chance to kill them myself.

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    1. Actually, freshwater fish are tropical fish (most of them come from warmer waters in South America), so congratulations: you’ve had tropical fish!

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  10. I actually like both settings, but I understand the desire to make it more natural. We had one of those tall octagon aquariums when the kids were young. Angelfish, zebras, neon tetras mostly. It was fun except for the cleaning.

    I do a pretty good job with indoor plants, where I can control the environment.

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    1. If I ever add a second tank (something I’ve considered for the basement), I might go with an octagon. They’re less practical (fish prefer swimming side to side rather than up and down), but do save space and are decorative. We shall see!

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  11. Love it!

    My brothers had a tropical fish tank or two growing up. I had a small terrarium with turtles as a kid and a goldfish tank as an adult. I also had sea monkeys a time or two.

    None thrived. None survived. All are now demised. 😀

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    1. I feed my fish “sea monkeys” as a treat, ha. The circle of life!

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  12. Good for you! I’ve had the random aquarium as a child and as an adult. It was way too much work for me, I never kept up. Poor fishies, they were doomed. Yours looks great; hope everything thrives! Also, your sliding photo frame is so very cool.

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    1. Thanks, Gwen! The sliding photo frame is the “Image Compare” tool if you use the block editor. I don’t bust it out often, but it’s perfect for those before-and-after shots.

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  13. Gorgeous! No fish for me. Also no green thumb. I’m thrilled if I keep a poinsettia alive from Thanksgiving to New years

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    1. I’m the same when it comes to houseplants. Hoping that does not carry over to the aquarium!

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  14. That is awesome! I love, ” I guess you can say I’m taking this whole going-back-to-my-roots thing seriously.” Har har har! You two have are going to give the jolly green giant a run for his money with all this green!

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    1. I would also like to give rich people a run for their money with a different kind of green, please!

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  15. We had tropical fish at one time growing up. We didn’t know anything though so pretty soon one (or more?) of the fish had eaten all the other ones.

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  16. Oh man. Even with the paragraph break between these two statements, I still took it the wrong way: “my research promised would be fairly low-maintenance and beginner-friendly.

    (Unlike my wife”.

    Fun for you! My brother had one of these and said it was nice to zen out by just staring at the aquarium. I hope that works for you too.

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    1. Haha! Well, Tara is pretty low-maintenance, unlike past wives. No comment on whether she’s beginner-friendly though.

      Staring at the aquarium is a favorite pastime. I wish we’d found a spot for it in the living room, but at least the dining room beats the basement in Rapid City.

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      1. LOL. I don’t even know how to take that beginner-friendly part, other than to laugh! Does she read these comments??

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  17. How do you know the fish like it? How do you read fish body language? This is a completely serious question from someone who has owned exactly one fish in her life (a little neon tetra my sister was keeping in a filthy aquarium and I drove from Michigan to Minnesota in a red Solo cup and he lived for another three years in a ten gallon aquarium I kept as best I could). Like, I think my little tetra – his name was Joe – was happy in his new home and he’d come to the top of the tank when I talked to him, but was I just anthropomorphizing him?

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    1. That’s a fair question, considering fish don’t talk. Maybe I’M anthropomorphizing them! But live plants provide nutrients, help balance your water chemistry, and give the fish a safe place to hide, which can encourage them to develop more vibrant colors…so I’m assuming those things make them happy!

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  18. I’m tellin’ ya, Mark, the fish want their flamingo back. That little pop of pink made them happy!

    Your new design looks great. We’ve had fish tanks over the years, but we never tried real plants. Serious question: will the plants stay clean?

    Our son had a large tank in his bedroom in the basement. His room was nice, and the fish and tank were gorgeous. I’ll never forget going into his room one day and seeing several “somethings” brown hanging down from the drop ceiling. I couldn’t help wondering what that knucklehead had done now. It was a hot summer. Any ideas? … Termite tunnels! They were trying to build their way down to the water. 🙂 And yes, they were now in our house in several places.

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    1. OMG, termites burrowing toward a fish tank?! Sounds like something out of a horror movie. I’ve never heard of such a thing before!

      The plants will eventually develop some algae, as does all aquarium decor. But with the right mix of algae eaters, loaches, and catfish, I should be able to keep that under reasonable control. And if not, well, the whole point is to have a natural tank!

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      1. The live plants are really a great idea. I’m sure you will be able to handle them. You did your research!

        There were termites in the area. I found out later that several older homes near ours had them. But with the hot summer that year being so dry, they were trying to get to a water source. They did a nasty job on some interior wood and a doorway before we got them under control.

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  19. Aquariums seem like fantasy lands to me – you are creating the setting for a magic adventure to happen. I’m obviously totally romanticising it – the reality is cleaning and worrying about pH etc ..
    ? When I was growing up, my brother had a tank with gold fish, then introduced a turtle which ate all the fishs’ tails.

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    1. I love the analogy! Aquariums truly are miniature self-contained worlds. Really, the cleaning is pretty easy; I do a water change and deep cleaning every two months or so and top off as needed. I don’t worry about pH as it’s all pretty neutral for the most part.

      Your brother’s lucky the turtle only ate the goldfish tails!

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  20. Beautiful. Your tank is vibrant and alive and the antithesis of winter in the midwest. We tried having an aquarium but after a couple of years realized we were bad fish parents.

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    1. Thanks, Ally Bean! It makes me very happy to look out…in the winter, and really, all year long!

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  21. It’s so pretty! We had a goldfish that lived for 14 years, most of that time in a trifle dish from Walmart. I should write about that again. You’re really great at sparking content ideas!

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    1. That’s why goldfish are so popular: they’re about the hardiest fish out there. Look at our koi, surviving in an ice-covered pond in Wisconsin! I’d love to read about your experience.

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      1. This is so true about koi! I just saw a post on Instagram yesterday about alligators in the South who were caught in an ice storm. They knew instinctively to lift their snouts above the ice to breathe through it. I’ll send it to you on Instagram—it was pretty cool!

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      2. I just saw your post. I had no idea alligators could do that! So cool.

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  22. My thumbs are neither green nor wet. My mother, the expert gardener and enthusiast acquarist, despairs of me. I like looking at both, I can even see the pleasure in doing the research and the planning, but there it all stops. We had lots of Angel fish in our tank when I was a child, they are rather gorgeous 🙂 And your tank does now look the absolute dogs 😉

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    1. Angels are awesome, and there are so many different color varieties you could have a tank with just those and it would be beautiful.

      “The absolute dogs.” You saved that one just for me, didn’t you?

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