Home : Lawncare Products : Organic Fertilizers : Lava Sand, 8 lb bag
Alternate Product Views
Lava Sand, 8 lb bagLava Sand, 8 lb bag

Lava Sand, 8 lb bag

Part#:
SM99155
Regular Price: $17.99
Does your soil constantly flood? If you live in a low-lying area with a high water table, or if there's often more rain than your lawn can drain, you can give your plants a boost by adding sand as an amendment to your soil.

This lava sand is made from pulverized rock. It's insoluble, so adding it to the soil wont affect the pH value. Fine sand resists compression and adds structure to soil, while retaining far less water than compost or clay. In testing, lava sand retains roughly 40% of its own weight in water, compared to 160% for fine-screened compost and 250% for smectite clay.

Due to this lower water retention, lava soil can help your soil dry out quickly. Water logged dirt is harmful to plants because it kills helpful bacteria and can cause root rot in many different plants. Coarse, quick draining soil is also easier for roots to tunnel through, so adding this lava amendment to your soil can promote deep root growth. Deep roots help plants survive infrequent watering and plants with deep roots are less likely to topple over in heavy wind.

Please note: Mixing sand with clay is a bad idea. This can create a concrete like mixture with the worst characteristics of both soil components (no water absorption and no drainage). For clay soils, you may want to consider an additive such as Vermiculite.

Technical Specs
  • Weight: 8 lbs
  • Treatment area: Up to 400 square feet. The ideal concentration is 4 lbs per 100 square feet (for a 200 sq. ft. treatment area).
  • pH: 8.3 (although this is largely irrelevent because the sand does not dissolve in water, will not neutralize acids, and does not leech anything that will affect the soil).
  • So, you want to know how it works with shipping? Here’s how!

    If you look at the box near the buy now button, up above, you’ll see our shipping calculator. Put in your ZIP code, and you’ll see the pricing for different methods of shipping.

    Want to see products that have free shipping? Take a look here.

    Need it fast? Look for items with the Same Day Shipping icon, or check out this section.

    Recently Viewed Items:
    Are you a first time gardener?
    First Time Gardener?
    In the News
    Gardening How ToGardening How To Magazine, May/June 2012Read the article
    Spotlight Video
    Video: How to Make Compost Watch Now
    Recent Articles
    Featured Products
    close
    Lava Sand, 8 lb bag