Need help For ebb & flow Tray

Hello everybody , I'm going to be growing soon..... ebb&flow for flowering i got the water pump Eco 185 GPH and I'm confused and don't want to spend a lot on the fill and drain tray what can I use instead of that common 50$+ black tray ? , that will be perfect for 185GPH which is recommended to use with 2' x 4' flood tray according to Bghydro.com .
 
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