Phat Sack 3×3 flood tray liners provide the perfect means to contain grow mediums in hydroponic trays. The premium triple-thick fabric material allows water to easily pass through but keeps the substrate where it belongs. Ideal for use with drip type systems, Phat Sacks 3×3 flood tray liners can simply be placed inside of the tray and filled with the desired planting medium to prepare for planting. Thick and durable construction is well suited for use with a wide variety of grow mediums coco coir, rockwool grow cubes, and even heavier hydroton clay pebbles.
Expand planting options and avoid overflow issues with Phat Sack flood tray liners! Premium fabric construction provides a practical and effective means of preventing grow medium wash-out and drain line clogs, even with finer substrates such as coco coir. Excellent for use in drip systems and ideal for a variety of planting methods including the sea of green (SOG) technique!
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