yeemeen 2PCS 20mm Aquarium CO2 Diffuser Replacement Ceramic Disc Slice Carbon Dioxide Reactor Bubble Refine for Fish Tank Water Plants

【Follow yeemeen BRAND】 Our Replacement CO2 dIffuser disc. high-density with silicon sealing ring, does not easily block. An indispensable item for your fish tank or aquarium, durable and reliable. 【LONGER USING TIME】The using time of the replacement tablets usually is 6-12 months. Its using time is according to the water quality of the fish tank. If the water quality is good, it can be used longer. 2PCS 20mm Aquarium CO2 Diffuser Replacement is enough for you to use a long time. 【UNIVERSAL ACCESSORIES】This is yeemeen CO2 Diffuser Aquarium's best partner. As long as the diameter of CO2 Diffuser Aquarium is 20mm, it can be replaced. The CO2 diffuser disc must be screwed as tight as possible when installation. 【FUNCTION】Helps to ensure plants receive proper amounts of CO2, improve the growth and health of your plants with sufficient CO2 supply. (Clean up the replacement tablets regularly, it could be used for a longer time.) 【NOTE】Please soak the replacement tablets for 24 hours before using. And the CO2 diffuser may release big CO2 bubbles during its first 1-3 days of usage. When ceramic disc becomes saturated with water, it will then release fine CO2 bubbles, this is normal and may take up to 3 days.