Botanicare LT Tray 3 ft x 3 ft - BlackIn Store Location: P Our newly expanded line of Low Tide trays, now offered in black, are a perfect match for growers who need just a little something to put under their plants. These newly designed trays offer a diagonal drainage grid that directs water out of the tray and sits in the same footprint as its growing space. The 3. 5 in tall Low Tide trays are designed with the solution conserving gardener in mind.