Pet Worx - Check Valve - 12 Pack Internal filter

Pet Worx - Check Valve - 12 Pack Internal filterDescription: A check valve is a small but critically important piece of equipment for any aquarium running an air pump. Without one, if your air pump loses power, water can siphon back through the airline tubing and into the pump, causing water damage or flooding. A check valve prevents this by allowing air to flow in one direction only, from the pump to the tank, while blocking any reverse flow of water. This is particularly important if your air

ranks among the top choices for home freshwater aquariums due to its ease of care and hardy nature

They will rearrange their environment entirely to suit themselves

and up to twice per hour or more for a heavily stocked koi pond

which can crash the beneficial bacteria colonies that drive your biological filtration and cause an ammonia spike

more stable biological filtration

The sponge filter can be positioned anywhere on the bottom along the wall of the aquarium and attaches via suction cups for a secure

for full sterilisation steps

The male follows closely behind

and beginner friendly

Two sponges mean double the surface area for beneficial bacteria to colonise

Built from compact PVC casing and SGS approved

The tube is adjustable from 17cm to 38cm to suit different tank depths