HydraFiber Ultra Bales

ultra bales

Our HydraFiber® Ultra line is a powerful and proven engineered media that has become essential for professional greenhouse growers, nursery growers, and soil blenders. Customers have seen better growth and better margins, whether it’s from improved root development and overall plant quality, inventory management, shelf life, efficiency or environmental benefits.

  • Best for growers who amend/blend their own soil and have one or more transplant lines

  • Requires specialized equipment; can be added to most existing mix lines

  • Highly compressed (13:1 expansion rate); most economical raw material delivers best cost savings

  • 50-lb bales are available in three formulations based on crop types and timing

  • OMRI Listed for Organic Use


HydraFiber 065

Propagation, 4 in., 6 in. & gallons

HydraFiber 160

4 in., 6 in., 1 gallon & 2 gallon

HydraFiber 365

1 gallon, 2 gallon & larger

Chemical Characteristics
Physical Characteristics*
Chemical Characteristics
  065WB 160WB 365WB
pH 4.5 +/- 0.4
EC (MS/CM) 0.01 - 0.19
Moisture Content^ 22% +/- 4%
Organic Matter^^ 99.7 +/- 0.2%

^ Measured on weight basis
^^ Loss Ignition (ASTM D586-97)

View Product Sheet
Physical Characteristics*
  065WB 160WB 365WB
Total Porosity 93-97% 92-97% 92-97%
Container Capacity (WHC)** 49-55% 65-69% 65-69%
Air Pore Space 39-47% 25-29% 25-29%
Expected Fiber Life Span 1 year 2.5 years 3-5 years
LOOSE BULK DENSITY*** 3.85 - 1.4 lb/ft3 +/- 0.2 lb/ft3
(22 kg/m3 +/- 3 kg/m3)

*Derived from Porometer Test Method-NCSU Substrates Lab
**WHC = Water-Holding Capacity
***Profile Fiber Opener

View Product Sheet
request a sample box


Ready to start your move toward better margins and plants? Horticultural professionals engaged in commercial production are encouraged to request a free product sample kit.

If you’re interested in HydraFiber® Engineered Media, complete a sample request form to see firsthand how our engineered fibers and blends can change your operation.

worker helping man with plant


Connect with a HydraFiber expert today to find the solution that's right for you.