It is a good choice for nano aquariums. Aquariums: Duckweed Aquarium Plants Good or Bad? Is duckweed good or bad for a small pond? Prev Post. Duckweed can be grown anywhere, including a 1-gallon tank (~4 L). Relevance. Duckweed does not like that stuff very much. Favourite answer. December 1, 2019. Many pond owners have learned that duckweed can be an object lesson in the power of exponential growth. Once introduced into your aquarium, monitor duckweed growth daily. Fish Lore's aquarium forum - aquarium hobbyists helping hobbyists since 2005! Duckweed can be useful for reducing light and excess nutrients, and some fish love to eat it. Jul 23, 2020. It must be controlled in a small pond. Answer Save. 11 Answers. Thanks for looking! In good conditions, a duckweed plant can bud and divide once per day, meaning a daily doubling of the plant population and complete coverage of a large pond in weeks. Update: No more duckweed. If you want a botanical control for nitrates, duckweed is as good as it gets. FishGirl115. Or I can send a smaller amount in a priority bubble wrap bag for $4. The reason duckweed is so hard to eradicate from tanks is that aside from the regular vegetative propagation (which you can see and remove easily enough) it also produces seeds. They grew incredibly fast.. December 1, … Give excess to other indoor pets if appropriate, compost, or immerse duckweed in water and freeze in a dedicated ice-cube tray. Anonymous. Duckweeds can be aggressive invaders of ponds. Is getting duckweed a good idea? Water type, Temperature, Hardness, and pH: Water temperature: Duckweeds grow optimally in water temperatures between 15 and 32 °C (60 – 90 F). Member. Duckweed is one of the most common pondweed problems.They grow quickly and takes a little time to cover up the whole pond. Re: Duckweed, good or bad Post by bowsaw » July 9th, 2015, 3:58 pm sounds like Azolla, was a nightmare at a nature reserve i worked at, no idea where it came in from but it had the potential to do a lot of damage If colonies cover the surface of the water, then oxygen depletions and fish kills can occur. Aquarium duckweed plants info guide. Do duckweed is a very undemanding floating plant when it comes to water parameters but it does require high lighting for its proper and fast growth. How much light does duckweed require? This means having a fish scoop handy to harvest floating biomass in excess of half the surface area of the water. 2. This plant has the ability to reproduce rapidly, it can double in just 16 hours - 2 days, depending on its growing environment. Ok, this stuff is overflowing! Duckweed Growth and Benefits. Betta Fish: Plants are growing in nicely! Above or below that range, Duckweed just sort of sits there and does not grow. I bought the four pack of aquarium bulbs from Petco and planted them about a month ago. Seeds that fall into gravel, get sucked into the filter, and hide in various nooks and crannies. Duckweed, though, can be a huge problem in a pond. :D 7 bucks for shipping and I'll send ya a good large handful in a priority box. For some duckweed is a menace, for others it's a Godsend. Although, duckweed is a portion of good natural food for some fish species, if present in excessive amounts, it can hart the pond environment and its habitats. 1 decade ago. I don't like it myself because it is messy--it sticks to nets, tools, and hands. If kept in control, this plant can act as a very good water purifier for your aquarium. And it gets tangled in other plants where it looks bad. Myself because it is messy -- it sticks to nets, tools, and.. It sticks to nets, tools, and hide in various nooks and crannies get sucked into the filter and... 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