Neptune DOS Pump Head Cap pump Optical sensors are the go

Optical sensors are the go to sensor if you want a reliable sensor over a long period

terrariums and turtle tanks

Magnesium - 1350 ppm

The Hydra Lights have been a staple in the reefing community for years and the new Hydra 64 HD Lights take the same great features and benefits while using more efficient hardware that ultimately gives better light and spread throughout your aquarium

Neptune DOS Pump Head Cap pump Optical sensors are the goDirect OE replacement fluid metering head assembly for the Neptune DOS Fluid Metering System. The easy to install head replaces the tubing, roller, and plastic housing head cap. Installs in minutes Replaces wearable tubing The Neptune DOS Replacement Head assembly comes with everything to replace the current fluid metering head on your DOS system. Over time the self lubricating tubing will start to age, and can also cause excess resistance and