What can I use instead of Rockwool?
- Rockwool/stonewool. Made from rock that has been melted and spun into fibrous cubes and growing slabs, rockwool has the texture of insulation and provides roots with a good balance of water and oxygen.
- Expanded clay pellets.
- Coconut fiber.
- Oasis cubes.
Click to see full answer
Subsequently, one may also ask, what can I use instead of clay pebbles?
Alternatives to clay pebbles include oasis cubes, coconut fiber (coco coir), peat, composted bark, gravel, sand, lava rock, fiberglass insulation, sawdust, pumice, foam chips, polyurethane grow slabs, and rice hulls (husks). Depending on your location, you may be able to find or make some of these media at home.
Furthermore, what is Rockwool for plants? Rockwool, a lightweight hydroponic substrate is made from spinning molten basaltic rock into fine fibers which are then formed into a range of cubes, blocks, growing slabs and granular products.
Thereof, what can I use for hydroponic medium?
Some of the most widely used growing media's include Rockwool, Lightweight Expanded Clay Aggregate (called, Hydrocorn or Grow Rock), Coconut Fiber/Coconut chips, and Perlite or Vermiculite.
Can you overwater Rockwool?
Don't: Overwater Plants in Rockwool The appropriate level of runoff should not exceed 30%, which means very little water should come out the bottom of a rockwool block. If you are watering and the amount of drainage exceeds 30%, you are probably overwatering. This may lead to algae growth.