Does Soil Acidifier Expire?

As long as the materials are kept dry they should retain their effectiveness indefinitely.

Is soil acidifier toxic?

It has a low salt index so it will not burn your plants and it's non-hazardous and non-toxic so it's safe to use around children and pets. Espoma Soil Acidifier can provide sulfur all-season long when you use it regularly as a part of your fertilization program.

How often should you use soil acidifier?

When to Use Soil Acidifier

Apply in Spring and every 60 days until the desired pH is achieved for the soil of your plant.