![If you didn't know, you can add pool filter sand to your aquarium for $10-$15 for about 50lbs. Only if you h… | Pool filter sand, Freshwater aquarium, Pool filters If you didn't know, you can add pool filter sand to your aquarium for $10-$15 for about 50lbs. Only if you h… | Pool filter sand, Freshwater aquarium, Pool filters](https://i.pinimg.com/originals/92/56/c2/9256c2009bb37dab439855a6d642e77b.jpg)
If you didn't know, you can add pool filter sand to your aquarium for $10-$15 for about 50lbs. Only if you h… | Pool filter sand, Freshwater aquarium, Pool filters
![Amazon.com : FairmountSantrol AquaQuartz-50 Pool Filter 20-Grade Silica Sand 50 Pounds, White : Patio, Lawn & Garden Amazon.com : FairmountSantrol AquaQuartz-50 Pool Filter 20-Grade Silica Sand 50 Pounds, White : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61pLiRwx9gL._CR2,0,1276,720_SR684,386_.jpg)
Amazon.com : FairmountSantrol AquaQuartz-50 Pool Filter 20-Grade Silica Sand 50 Pounds, White : Patio, Lawn & Garden
Any suggestions for sand substrate? | Freshwater Substrates - Gravel, Sand Forum | FishLore Aquarium Forum
![Pool Filter Sand Grade Silica Sand - 50 lbs. Fairmount Minerals (Safe and Clean enough for use in fish Aquariums and Koi ponds) - 2 Pack - Walmart.com Pool Filter Sand Grade Silica Sand - 50 lbs. Fairmount Minerals (Safe and Clean enough for use in fish Aquariums and Koi ponds) - 2 Pack - Walmart.com](https://i5.walmartimages.com/asr/85915070-7c56-4e29-873e-eb1aa346e28a_1.28c7fe4706d56539473c8c5d07404540.jpeg)