Ok, this stuff is overflowing! Once introduced into your aquarium, monitor duckweed growth daily. If kept in control, this plant can act as a very good water purifier for your aquarium. Above or below that range, Duckweed just sort of sits there and does not grow. Duckweed is one of the most common pondweed problems.They grow quickly and takes a little time to cover up the whole pond. 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. I don't like it myself because it is messy--it sticks to nets, tools, and hands. Update: No more duckweed. FishGirl115. If you want a botanical control for nitrates, duckweed is as good as it gets. Betta Fish: Plants are growing in nicely! It must be controlled in a small pond. It is a good choice for nano aquariums. 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. Give excess to other indoor pets if appropriate, compost, or immerse duckweed in water and freeze in a dedicated ice-cube tray. Relevance. Duckweeds can be aggressive invaders of ponds. 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. If colonies cover the surface of the water, then oxygen depletions and fish kills can occur. 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. Or I can send a smaller amount in a priority bubble wrap bag for $4. 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 Duckweed Growth and Benefits. Favourite answer. This means having a fish scoop handy to harvest floating biomass in excess of half the surface area of the water. Answer Save. Thanks for looking! Many pond owners have learned that duckweed can be an object lesson in the power of exponential growth. Fish Lore's aquarium forum - aquarium hobbyists helping hobbyists since 2005! Jul 23, 2020. How much light does duckweed require? Seeds that fall into gravel, get sucked into the filter, and hide in various nooks and crannies. I bought the four pack of aquarium bulbs from Petco and planted them about a month ago. For some duckweed is a menace, for others it's a Godsend. 2. Prev Post. Member. Duckweed, though, can be a huge problem in a pond. This plant has the ability to reproduce rapidly, it can double in just 16 hours - 2 days, depending on its growing environment. They grew incredibly fast.. December 1, … And it gets tangled in other plants where it looks bad. Water type, Temperature, Hardness, and pH: Water temperature: Duckweeds grow optimally in water temperatures between 15 and 32 °C (60 – 90 F). Aquarium duckweed plants info guide. Is duckweed good or bad for a small pond? Aquariums: Duckweed Aquarium Plants Good or Bad? 1 decade ago. Duckweed can be useful for reducing light and excess nutrients, and some fish love to eat it. December 1, 2019. Anonymous. Duckweed can be grown anywhere, including a 1-gallon tank (~4 L). Duckweed does not like that stuff very much. :D 7 bucks for shipping and I'll send ya a good large handful in a priority box. 11 Answers. Is getting duckweed a good idea? December 1, … duckweed, though, can be a huge problem in a dedicated ice-cube.... 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