Controlling invasive water lettuce growth

[bettaMagenta]

I've gotta say, I'm a huge fan of having this stuff in my aquarium - it's been a game-changer for me, especially since I've had such bad luck with other floaters in the past due to my tanks' high flow rates. It's really easy to see how this plant can be super invasive, though - this one patch has basically doubled in size in just two weeks. If you're looking for something that'll thrive in your tank with regular maintenance, and maybe even make some extra cash if you want to sell some, this is perfect. But at the same time, it's pretty clear how it could wreak havoc on natural waterways if it's not kept in check.

[TankWarrior]

Hello Magnum, I've gotta say, this plant is a real winner for water quality. Acts as a natural filter, roots stretch down to the bottom of the tank with time. Perfect little hidey-holes for fry, any kind. Got it in my 50 gallon, it's taken over, but I just let it be. Buenos Aires Tetras love it, they're happy as clams in all that cover.

[LacieB]

If this stuff were to get loose in a Texas waterway, and they could track it back to your pond, Parks and Wildlife might just come knocking with a hefty fine - $1000 per plant, no less.

[bettaMagenta]

We have to remember that any plant thriving in our aquariums can potentially explode in the right - or wrong - natural environment. Just one tiny sprig lost during tank maintenance could take root and wreak havoc on a local waterway, clogging it up in no time.

[bettaMagenta]

You might think the cold Minnesota winters would prevent this stuff from growing, but let's look at common Duckweed - it's thriving in our lakes. It sinks to the bottom during winter, essentially hibernating, only to grow like crazy again come spring and summer. It's amazing what survival methods plants and fish can develop.

[TankWarrior]

Here's the Water Lettuce in my outdoor setup, from a summer or so back. It's really fond of filtered light, which works out well since the pergola above the tank blocks direct sunlight for most of the day.