GreenNeedle
Member
My belief is that although a nutrient rich substrate is beneficial in holding ferts to supplement any possible deficiency they arent really needed if the water column is being adequately dosed.
AC
AC
aaronnorth said:i chose other because i dont think they primarily feed through the leaves although they will go this way if no nutrients are available via the substrate. There has to be more nutrients in the water column to make up for it though.