![I bought black Diamond blasting sand off tractor supply, but 3 days later we notice these yellow crystals. How screwed am I? : r/PlantedTank I bought black Diamond blasting sand off tractor supply, but 3 days later we notice these yellow crystals. How screwed am I? : r/PlantedTank](https://preview.redd.it/i-bought-black-diamond-blasting-sand-off-tractor-supply-but-v0-8mpq1oe2lxpb1.jpg?auto=webp&s=851796b7939904f1a20cd74ba31c484492b7bb40)
I bought black Diamond blasting sand off tractor supply, but 3 days later we notice these yellow crystals. How screwed am I? : r/PlantedTank
![Amazon.com: Black Diamond Blasting Coal Slag Abrasive, Fine Grade, 20/40 Grit (50 lbs) : Tools & Home Improvement Amazon.com: Black Diamond Blasting Coal Slag Abrasive, Fine Grade, 20/40 Grit (50 lbs) : Tools & Home Improvement](https://m.media-amazon.com/images/I/31KBDtKF83S._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA8%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Black Diamond Blasting Coal Slag Abrasive, Fine Grade, 20/40 Grit (50 lbs) : Tools & Home Improvement
![PSA: Black diamond blasting sand works for a planted tank substrate and well worth it if you don't want to break the bank on a aquascape in a large tank. : r/Aquariums PSA: Black diamond blasting sand works for a planted tank substrate and well worth it if you don't want to break the bank on a aquascape in a large tank. : r/Aquariums](https://i.imgur.com/I5435P2.jpg)
PSA: Black diamond blasting sand works for a planted tank substrate and well worth it if you don't want to break the bank on a aquascape in a large tank. : r/Aquariums
![Black Diamond Medium Blasting Abrasives - China Derusting Sand, Rust Removing Sand | Made-in-China.com Black Diamond Medium Blasting Abrasives - China Derusting Sand, Rust Removing Sand | Made-in-China.com](https://image.made-in-china.com/2f0j00uoVglqiFhrcP/Black-Diamond-Medium-Blasting-Abrasives.webp)