ZRDR Fish Feeding Ring, 2 Pack Black Aquarium Floating Food Feeder Circle Small Round and Square with Flexible Lever…
【Fun & Effective Eating】 - The fish feeding ring keeps the fish's food on the water for longer, so that they can come back for snacks. The fish become like eating, then walk into the rock, and then come out to eat, feeding becomes fun. Feeder Circle Reduce waste!
【Thoughtful Detail Design】- Flexible connecting rod, an automatic suspension of water level changes, small fish feeding ring no need to manually adjust the position. The fish don't have to chase the rotating food caught by the filtered water and cause starvation
【Keep the Aquarium Clean】- Buoyancy foam is ,embedded at the bottom of aquarium feeding ring to increase buoyancy. The fish food is firmly fixed in the feeding ring, will not be scattered everywhere and moldy, and will not be pulled into the filter to block it, making your aquarium clean and healthy
ZRDR Glass Drop Checker Kit with 15ml Co2 Checker Solution The Most Accurate Monitoring of Planted Tank Co2 Levels
More Convenient - The mixed carbon dioxide drop checker solution does not need to consider the ratio of water to solution, just use it directly, convenient and fast
How To Read co2 Drop Checker - When your co2 is off the drop checker solution will be a deep blue color. After co2 has been on for around 30 minutes you should notice the color change. The optimal co2 concentration will be at 30ppm which will be a green-light green color. If it remains blue your co2 is too low. If the color turns yellow then your levels are too high and may harm your fish
Package Including - Glass drop checker with pre-mixed indicator solution, suction cup