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Using 1/4" or 3/8" gravel is much easier to spread than sand, in fact since i tried it the first time I now use that for all my installs 3/4", the beauty is that you can actually walk on it with minimal disturbance and after compaction non will be notice.
Back to the use of permeable parvers you also have to take into drainage, so install perforated pipes on the base and daylight to proper place.
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"Any husband making shape and color decisions has to show written consent from wife" no exceptions
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