Grow Gadgets Propagation Heat Mat Plagron Ensure adequate extraction and intake

Ensure adequate extraction and intake — this isn't passive cooling kit

Running pH at the sweet spot (around 6–6

Plug it straight into a mains socket

Does exactly what it should

and Emerald Harvest's version is a solid mineral-based entry in that category

Grow Gadgets Propagation Heat Mat Plagron Ensure adequate extraction and intakeGrow Gadgets Propagation Heat Mat Our thoughts Reliable performance at a sensible price. Reliable monitoring you can count on. The Grow Gadget Heat mat is used to maintain consistent temperatures inside your propagator at all times, giving seedlings and cuttings the best possible start during their most critical period. Our take Reliable performance without overpaying for features you don't need. Worth picking up if you want equipment you can rely on.