Neptune Systems Temperature Probe Hydrometer or toilet…it is completely safe

or toilet…it is completely safe to pour down your sink drain

Highly porous natural Bamboo Activated Carbon and Sepiolite Clay minerals are precision-cut into a Cuboidal Matrix Design featuring 1400 micro-tunnels

1x Blade Tank Rest Mounting Solution

Brstlworms

No color enhancing capacity

Neptune Systems Temperature Probe Hydrometer or toilet…it is completely safeReplace your Temperature Probe, add one for another tank, or put one on your PM2 PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding another tank to your system via a PM1. Want to have more accurate readings on your PM2 PM3 modules by adding temperature compensation.