Hydraulic support constantly falling

I weight 200lbs. After one week, each time I sit in the chair the hydraulic support immediately begins slowly lowering. This is an issue since the maximum height of the chair is required to meet the minimum height of my desk. The chair is comfortable overall. Width is sufficient for fat bodies so long as you're okay at minimum height. Lumbar support and headrest make me question the ergonomic design. Construction is solid. Heavy duty bolts provide support for a wide range of motion. Would not purchase again or recommend.

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