Last year we tried a little hydra fiber in our soil. Earlier this year we tried the hydra fiber with an increase to 20%. We like the results of it. Oldcastle has blended us a custom mix that is has similar properties to the C/V that we were using. Hydra fiber is produced yellow pine in Conover, NC and is sustainable. It has similar characteristics to vermiculite and peat moss. Read about our trial on our blog. https://mitchellsnursery.com/2022/…/06/all-about-hydrafiber/ 30% P…eat 40% 3/8 aged fines 30% Hydra-Fiber Standard amendments . #seenatmitchells #Oldcastlesoil #plantingfotspring