FERRODAY 0.5 Micron Diffusion Stone Kit, 2-Pack
- Material
- 304 stainless steel
- Outputs
- 1/4 in. barb, 2 × 20 in. silicone hose
- Type
- Diffusion stone
Best for Spare stones






A plug-in controller with separate heating and cooling outlets, dual display of measured and set temperature, high/low alarms and an adjustable compressor delay. Maximum load is 1100 W at 110V per this listing; check the manual.
Best for Fridge or heat-wrap fermentation control
Read our reviewInkbird ITC-308 reviewOpens the product page with today’s price, variants and delivery. We may earn a commission at no extra cost to you. For adults 21+.
| Outputs | 2 outlets: heating and cooling |
|---|---|
| Range | °C/°F display, high/low alarms |
| Power | 110V, 10A, 1100 W max (listing) |
As stated by the maker or seller. Specs can change between versions and sellers; confirm on the listing. We did not test this product.
Full listing title: Inkbird ITC-308 Digital Temperature Controller Thermostat | 110V 10A 1100W 2-Stage Outlet with Heating and Cooling Mode for Carboy Homebrew Fermenter Greenhouse Terrarium
Best for Spare stones
Best for Budget stainless pressure fermenting
Best for Glycol- or coil-cooled fermenting
Best for 10-gallon pressure fermenting