I already own a DiscoveryKids Jellyfish Tank and had the opportunity to purchase another Jellyfish Lamp (JFML). I knew it was supposed to be as relaxing as the Discovery and it is! I'm not disappointed. This will be a partial overview of JFML and a comparison to Discovery to help you decide between the two. I'm an aquarist with a display aquarium and a few small aquariums in the house, so I know these things). The JFML aquarium is technically larger than the Discovery, but in reality there are very few visual differences (a standard sheet of computer paper will cover any aquarium). Both tanks have more than enough space for 3 jellyfish included. . Personally, I have no doubt that the jellyfish for both are almost certainly made by the same company in China (although no one I've contacted will admit this). If so, then the JFML-listed company is called Chi Da (and they make some really cool products, including a large jellyfish tank that's about 18 inches tall), [.] (I've found very few retailers for that as of now larger product found - and only a few for JFML). The same goes for Discovery Kids - both are available from Revain. The background that came with this JFML was awful, plain black and not easy to apply at all. It ended up sticking worse than duct tape. Luckily I have plenty of photo aquarium mats and have attached my own. In comparison, the Discovery comes with a coral photorealistic back already attached, giving it a natural look overall. I wouldn't add items to the tank as the tentacles are a bit fragile and can get tangled. The design is simple and effective for both. Just by the power button, you can change colors and turn off automatically. If you decide you prefer one color scheme over another, there is a selector button to do so. Glad this will be an AMAZING night light for kids who are still afraid of the dark. I will say that I preferred a single color scheme to fall asleep to instead of changing colors. A BIG PLUS of this device is that it comes with a power adapter (but no battery). The Discovery comes with a battery but no power supply (this eats up the battery as the jets of water push the jellyfish). stay up and don't spill) and follow the directions, making sure to use distilled water. In my case, the tap water in my area is fine for these tanks, but be sure to use dish soap drops. Since tap water varies by county, city, state, and well, I would suggest trying tap water and switching to distilled water if needed. The instructions for the jellyfish vary slightly between the two systems, but I think if you soak them for an hour (Discovery instructions) or wash them with dish soap and water (JFML instructions) you should be fine. If I get another one of these tanks, I rinse it out with dish soap and warm water, then let it soak for 1/2 hour (combination of both directions). VERY IMPORTANT: Be sure to place the jellyfish upside down in the aquarium and use a blunt object (chopstick, blunt pencil, teaspoon handle) to push in and move to remove air bubbles. I packed the tentacles into a group, laid the jellyfish upside down and then poked in and crumpled the outer edges to get rid of the air bubbles - a light tap on the outside dislodged some of the smaller bubbles. When you're ready and think you've deflated, lower them to the bottom of the tank and let them float. It only takes 20-30 seconds to deploy each jellyfish. One thing I noticed is that the LEDs going through the water on the JFML give the illusion of depth which I don't have on the Discovery. - It might just be because I didn't fill it all the way to the top like Discovery did. So when it's in color-changing mode, it currently looks a little better (but not by much). I would recommend any of them and for me it would depend on who had the best price at the time. They are too similar in size, beauty and relaxation for me to ignore the cost and seller rating. If you're using JFML, go to your local PetSmart, Petco, or PetSupermarket (or aquarium store) and buy 12" aquarium mats for them - don't even bother with the black backing. I don't know that. I would find either of these particularly educational because while the jellyfish's movement is realistic, it doesn't exactly match the movement of a live jellyfish. Real jellyfish don't always just swim with the current and the like, but have a mode of locomotion that provides some propulsion (either with a water jet-like body function or with their body vibrations). While JFML looks like it will last, I've only had it installed for a week so can't comment on its actual longevity. I said the same thing with Discovery and now it's set to 3 weeks. Without a doubt my overall score is still 100% simply for the realism and relaxation it brings to the viewing experience. I would recommend either JFML or Discovery for all ages. Babies will be mesmerized by the movement and I think it will be reassuring. Toddlers will be amazed at how jellyfish fly. Kids and teens will find this to be a really cool mood light and in turn will get some of the calming and relaxing benefits that come with aquariums in general. Teens and adults who love aquariums will love this too.
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