The layout is real simple... Using the "t" fitting as shown, connect both air curtains to the supply line and route it along the bottom and up the side of the planter. You may also use a single air curtain of 24" or so in length and feed it from just one end. I drilled holes in some tabs that were molded into the planter to secure the airline.
After securing the air curtain(s) and attaching the supply lines, fill your system with water and run the pump to check for even distribution of air bubbles and absence of leaks!
If your system is bubbling away like the one at right, you can drain the water and continue on to the next step. If you do not have a steady stream of bubbles, make sure your air line is not kinked or clogged. If all else fails, you may try using a more powerful air pump.
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