Bathroom system

A bathroom system, comprising:

• a shower system comprising:
• a shower tray configured to collect gray water from the shower system;
• a sink system;
• a gray water tank comprising:
• an internal filtration system configured to remove material from the gray water;
• wherein the gray water tank is configured to filter and store the gray water, wherein the gray water tank is configured to introduce a chemical into the gray water to clean the gray water, wherein the gray water tank is configured to draw electrical power from a power supply to actuate the internal filtration system, and wherein the gray water tank is positioned within the shower system such that the gray water collected by the shower tray is supplied to the gray water tank;
• a toilet;
• and
• a conduit configured to transfer the gray water from the gray water tank to the toilet to provide water for flushing.

A gray water tank for use in a bathroom system, comprising:

• an internal filtration system configured to remove material from gray water;
• and
• a top defining an opening to collect gray water, the top including a sloped portion extending towards the opening to direct gray water towards the opening;
• wherein the gray water tank is configured to filter and store gray water from a shower system, wherein the gray water tank is configured to be positioned within the shower system, wherein the gray water tank is configured to introduce a chemical into the gray water to clean the gray water, and wherein the gray water tank is configured to draw electrical power from a power supply to actuate the internal filtration system.