Features: The color of thermometer will change aroud the scale in accordance with surrounding temperature. Suitable for testing water for aquarium fish tank. Self-adhesive backing is for convenient sitcking to the exterior of fish tank. Compact, portable and space-saving in use. Easy to install and stick on. Aquarium Thermometer only,…
Single/Double Head Aquarium CO2 Bubble Counter Aluminum Description Clear and precise bubble formation allows you to count bubbles with ease. Made of sturdy quality aluminum alloy, this bubble counter is built tough to last and deliver. It is leak-proof to ensure no C02 escapes until you choose to…