Do guppies need sand or gravel

Yes you can and I hope you do because sand looks really good in all tanks to me. There are some fish which benefit from sand, (Like Corydoras Catfish) and fish that shouldn’t have sand, (Like Betta Splendens). Sand also gives it a more natural feel and is also easier to clean. (source)
To answer this article’s question conclusively, yes, I think guppies need some form of substrate. Having a substrate will allow the environment to mimic their natural habitat, providing guppies with a plus of comfort. Dec 9, 2021 (source)
A water filter, a heater and a spacious enough tank are the bare minimum you should do for your guppy fish but offering them a habitat that best resembles their habitat in the wild is the best way to keep them healthy and content. Jan 24, 2022 (source)
Habitat of the Guppy Some common preferred habitats include streams, ponds, small pools of water, and more. In home aquariums, these fish thrive in tanks with 5 – 10 gallons of water or more. You should keep their water temperature between 75° and 85° F. (source)
Sand has a couple of other benefits when compared to gravel. Many aquarium owners think it looks more natural, better mimicking the lakes or riverbeds that make up fish’ natural habitats. In addition, closely packed sand substrate needs to be changed less frequently. Nov 21, 2016 (source)
Note that new live sand should not be rinsed with fresh water before putting it into an aquarium for the first time, this will kill off the beneficial bacteria. Some cloudiness is to be expected when using live sand but this will clear within 24-48 hours after turning on your pump and filtration. (source)
Yes, guppies like to be in a heavily planted tanks. Just make sure that you are keeping the plants through which they can swim around. Heavily planted tanks also promote breeding and it provides a lot of hiding places for fry. Nov 9, 2019 (source)
To set up a guppy tank, start by getting a tank that’s at least 10 gallons and lining the bottom of it with 2 inches of aquarium gravel. Then, set up an external power filter to clean the tank water, and fill the tank halfway with water before adding any decorations you want to use. (source)
The truth is that guppies can survive and do well without having live plants. There are other ways to create hiding spots and cover using fake plants and other ornaments. Without plants, you will not have the additional cleaning benefit that live plants offer, which means you’ll have to do more water changes. (source)
Guppies love to have plenty of aquatic plants to hide, play, and rest in. Any of the plants listed below would make an excellent addition to your guppy tank. Flame Moss Aquarium Plants Live Freshwater – 1.5″x 2″ Moss Stone Pad 2pc – Natural Terrarium Moss… Sep 30, 2021 (source)
Guppies tend to be top swimmers. This means that they spend most of their time swimming near the top of the tank. They might also sometimes swim towards the bottom, but by and large, they prefer to be at the top. Mar 22, 2022 (source)
Driftwood tends to complement vividly colored fish, so aquarists often choose to pair driftwood with tetras, guppies and cichlids. Sep 26, 2017 (source)
Guppies do not necessarily require an airstone or bubbler, but they do require water circulation and movement, which can be delivered either from a filter or an airstone or both. (source)
Guppies are naturally top feeders. They mostly swim right below the water surface. However, guppies are known to be opportunistic feeders and will eat from anywhere in the tank where there is food available. If your guppies are eating from the bottom of the tank, it probably means they have been conditioned to do so. Apr 11, 2022 (source)
Guppies like caves because it allows them to rest and have a peaceful place to hide. Also, during the breeding and mating period, your guppies will like hiding places like a cave. You can also add some plants and give a nice overall natural look to your guppy tank. (source)