Neptune GRO Refugium Light - Flat Mount Other LED Lights Official track guide lists this

Official track guide lists this size for aquariums approximately 18

Then use a maintenance dose of 1 capful or 5 ml per 80 L (20 US gallons) with additions of livestock or after disruption of the biofilter through cleaning or medications

Neptune Conductivity Probe Features

configure Drive Port outputs

Seachem 30mm Beetle Diffuser for Planted Aquariums

Neptune GRO Refugium Light - Flat Mount Other LED Lights Official track guide lists thisNeptune GRO Refugium Light Flat Mount Neptune GRO Refugium Light Flat Mount is a compact 20W LED refugium light designed to grow macroalgae such as Chaetomorpha while mounting securely to a flat sump edge or stand support. GRO Refugium Light for Macroalgae Growth The Neptune GRO is built specifically for refugium use, with a flat rectangular light panel that spreads output across a broad area instead of concentrating light into a narrow spotlight.