Soil Additives

 Clean, washed silica sand. Excellent for formulating your own cactus soil. Mix with Garden Soil to create a loamy soil. 

 Lambert Sphagnum Moss is used in the lining of wire frames and hanging baskets. It is used extensively by nurserymen for air layering. Some species of orchids, especially Phalaenopsis, are grown in large quantities using nothing but sphagnum moss...

 There is a HUGE Kelp shortage this year and we have stocked up on premium organic kelp meal to make sure we don't run out this season. If you have any questions just let us know. Hawaii and Alaska customers only: The 25 lb Food Grade...

Stimulates vigorous growth and deep green color! A strong natural source of nitrogen, Organic Fish Meal is uniquely processed to retain maximum nutritional value without using high temperatures or synthetic chemicals. Applied to leaves it is assimilated...

Premium grade of coarse Canadian sphagnum peat moss. When mixed with soil, increases the soil's capacity to hold water and nutrients. Can be blended with perlite and vermiculite when custom soilless potting mix is desired.

BuildASoil Original Recipe! This water only mix was based on the famous Clackamas Coots recipe and it changed everything. After years of growing in this potting soil and hand making it for others, I Founded BuildASoil.com to share the soil and its...

 MACRO & TRACE MINERAL NUTRIENTS. Sea-90’s exclusive mineral and trace element profile complements and balances traditional NPK fertilizers with the important nutrients they often lack. MICRONIZED FOR INSTANT SOLUBILITY. Dissolves quickly...

Living Organic Soil with Malibu Compost There is Approximately 7.5 Gallons of organic soil in each Cubic Foot Bag. BuildASoil’s Original Recipe with Biodynamic Malibu Compost! This water only mix was based on the famous Clackamas Coots...

3 Times more available than standard Calcium phosphate due to it's fine micronization.BuildASoil Calcium Phosphate is a natural mined mineral used for soil building. It can be applied dry or in a liquid suspension to the soil.For best...

Soil conditioner that loosens soil, provides aeration and retains water. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and perlite for custom soilless mix.

Lambert Horticultural Wood Charcoal filtration properties aid a media by purifying air and water. It is also used at the bottom of containers to aid in drainage of excessive water. Charcoal is also used with other substrates in the cultivation of certain...

Lightweight soil conditioner that loosens clay soil, reduces caking, and improves drainage and aeration. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and vermiculite for custom soilless mix.