Wtb nero 3, gyre 1k or something controllable on the cheaper side for my 20g tall. Let's me know what you got.
Aqua illumination AI Nero 3 Wave Pump Maximum Glass Thickness 0.5" 13mm 100-240V On Ebay
https://www.ebay.com/itm/Aqua-illumination-AI-Nero-3-Wave-Pump-Maximum-Glass-Thickness-0-5-13mm-100-240V/222801704667?