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4' Plastic HDPE Black Shade Ball for Reduce Evaporation and Eutrophication - China HDPE Shade Balls, Black Shade Balls | Made-in-China.com
![Effect of continuous and modular floating covers on evaporation losses and microalgal growth - ScienceDirect Effect of continuous and modular floating covers on evaporation losses and microalgal growth - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1018363921001203-gr2.jpg)
Effect of continuous and modular floating covers on evaporation losses and microalgal growth - ScienceDirect
![Evaluation of shade balls for mitigating summer heating of stormwater management ponds - Sustainable Technologies Evaluation Program (STEP) Evaluation of shade balls for mitigating summer heating of stormwater management ponds - Sustainable Technologies Evaluation Program (STEP)](https://sustainabletechnologies.ca/app/uploads/2018/09/Thermal-mitigation-shade-balls-e1537211913235.png)
Evaluation of shade balls for mitigating summer heating of stormwater management ponds - Sustainable Technologies Evaluation Program (STEP)
![ELI5: Why are the "shade balls" that are being put in open water reservoirs in California to prevent them evaporating, black? Wouldn't something reflective or white make more sense? : r/explainlikeimfive ELI5: Why are the "shade balls" that are being put in open water reservoirs in California to prevent them evaporating, black? Wouldn't something reflective or white make more sense? : r/explainlikeimfive](https://a.thumbs.redditmedia.com/KZESzgF91cP3KEAR29JhCFmX0zxsPgY1sYhv7XCtiW0.png)
ELI5: Why are the "shade balls" that are being put in open water reservoirs in California to prevent them evaporating, black? Wouldn't something reflective or white make more sense? : r/explainlikeimfive
![Using 'shade balls' in reservoirs may use up more water than they save | Imperial News | Imperial College London Using 'shade balls' in reservoirs may use up more water than they save | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/shadeballs_wikimedia--tojpeg_1531732638706_x2.jpg?r=1439)
Using 'shade balls' in reservoirs may use up more water than they save | Imperial News | Imperial College London
![Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs](https://pub.mdpi-res.com/sustainability/sustainability-13-11234/article_deploy/html/images/sustainability-13-11234-g002.png?1634032832)
Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs
![Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs](https://www.mdpi.com/sustainability/sustainability-13-11234/article_deploy/html/images/sustainability-13-11234-g001.png)
Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs
![Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs Sustainability | Free Full-Text | Controversy over the Use of “Shade Covers” to Avoid Water Evaporation in Water Reservoirs](https://pub.mdpi-res.com/sustainability/sustainability-13-11234/article_deploy/html/images/sustainability-13-11234-g003.png?1634032832)