Contact Geo at geosreef for a custom skimmer, I have seen some of his on large tanks.
But currently I use a BK, but not sure if they make one big enough for your tank.
Corey
I also will suggest bill wanns aquarium engineering skimmers. He can build you anything. And helps with many tank around the world
Don't know the kW/h price in Thailand. Germany is between 0.25 till 0.30 EUR. Big coral shops change to Royal Exclusive to lower the costs. Think in Thailand this is no argument.
If one is not big enough use two skimmers.
Grüße Torben
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12 Bubble King Deluxe 500
For reducing energy costs and more performance. Pillar Skimmers gone. One you can see in the background. But now also gone
Grüße Torben
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It is a wholesaler
Grüße Torben
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2 skimmers may not be a bad idea for redundancy. I'd imagine by the time you're up and running there will be a significant investment in live stock etc, so you really don't want a single point of failure. Especially if you're not able to just pop to the shop and buy another.
I just want to let you know I've not got any experience with big aquaria let alone one this huge but I do work in an industry where redundancy is king. As a single point of failure could literally be the difference between life and death.Thanks for your good advise .