However, the Gritter is hardly meaningfully usable in the use of fertilizers. The passage of the grit works only partially. In the settings 1-2 nothing happens, the grit stuck. At level 3, the grit trickles through, after a short time it will also depend, this can only be set by continuously by shaking the scattered car back into gear. At level 4, the grit trickles by in a frenetic pace. Especially when combined with fertilizer or weed Moss Killers which leads to damage of the lawn because the amount per m2 is then much too high.
For the scattering of sand, the device is to use well in order to upgrade the quality of the lawn. If now and then trickles through a higher quantity of sand, which is less severe. No use for the fertilization of the lawn, not to use only with uniform fertilization sense, the scattering levels 1-3 are there.