I picked up a 150 qt Igloo to replace my existing 2-plant DWC tank and looking for some experiential plumbing guidance. As with my current, DIY tank, I plan to put 2 x 1 3/8" holes in the side – one below the water line and one above – for bulkheads to run 3/4" PVC to/from my chiller. A few questions;
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Any clue as to the material that lines Igloo marine coolers? I think it’s HIPS (high-impact polystyrene) but not positive. Maybe polyurethane?
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The cooler walls seems thin and I’m wondering if it would be wise to laminate a 2" square piece of the same material to the inside wall to support the bulkhead. Good idea or overkill?
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What kind of adhesive would you recommend using on the inside that maintains a watertight seal when it’s submerged?
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How do you cut your holes?
Any other tips?
Thanx for any help.