yeemeen 2PCS 20mm Aquarium CO2 Diffuser Replacement Ceramic Disc CO2 Slice Carbon Dioxide Reactor Bubble Refine Slice 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.

Product description Specifications: Material: Ceramic, rubber Size: Diameter 20mm Colors: White, blue Quantity: 2PCS Notes: 1. Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please take the real one as standard. Thank you! 3. Our products can be rechanged or refund freely. If you have any questions, please contact us. We are 24 hours for you. Directions To use this product, soak the replacement tablets for 24 hours before use. Install the CO2 diffuser disc as firmly as possible. The time of use of replacement tablets is usually 6-12 months, depending on the quality of the aquarium water. The CO2 diffuser can release large CO2 bubbles during its first 1-3 days of use. When the ceramic disc is saturated with water, it then releases fine CO2 bubbles, which is normal and can take up to 3 days.