The one piece of kit every reefer tunes daily and never quite understands — drawn like a 1950s patent plate and blown apart part by part: collection cup, body, cone, pump, floating up the axis line in fine blueprint white. FIG. 2 — PROTEIN SKIMMER. EXPLODED VIEW. And the footnote every keeper earns the hard way, set smallest at the bottom: tuned daily, understood never. If you've ever re-seated the cup at 11pm just to watch the bubble line settle, you didn't buy this sweatshirt — you qualified for it.
Printed on a Gildan 18000 unisex crewneck — a heavyweight, medium-soft fleece with a classic roomy fit and ribbed cuffs and collar that keep their shape. The blueprint-white linework and technical caption read crisp and bold on dark fabric, with a reef-cyan water column inside the skimmer body and a signal-amber axis, leaders, and callout dots. Available in 8 colors, from true black through navy, forest green, and heathered greys.
The one you reach for on a water-change morning, or wear to the frag swap when it's finally cold enough — a build-completion marker, or a tank-anniversary gift for the keeper who has opinions about skimmer tuning.
Made to order and printed just for you, so it's produced fresh (typically 3–7 business days) before it ships. Shipping times vary by location. Care: machine wash cold inside out, tumble dry low, do not iron directly on the print.
Drafted like a patent. Tuned like the real thing.
