Geomatrix Labs Presenting Kipp's Apparatus, constructed from polyethylene and comprising three main sections. The top portion features a thistle funnel and a bulb structure, facilitating the pouring of dilute acid to react with a metal sulphide at the base. The evolved H2S gas collects in the middle dome and can be released through a leakproof stopcock fitted with a self-lubricating PTFE plug. The base includes a residual outlet fitted with a cap for effortless cleaning.