Q.Does My Boston Fern Have A Disease
Not sure what to do if my fern is salvageable or not

Certified GKH Gardening Expert
Brown and dry fronds on your Boston fern may be due to low humidity, inadequate watering (either too much or too little), insufficient light, temperature stress, or nutrient deficiency, particularly nitrogen. Ensure consistent moisture, provide adequate light, maintain suitable temperatures, and consider fertilizing to address potential issues.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/test-soil-for-pests-and-diseases.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/making-sure-soil-drains-well.htm