pregnant platy fish

yes ia m talking bot my tank lights and the other questions is yes i have plants and things for them to hide in the only other things in the are guppys and 2 mollies i have 4 guppys 2 males and 2 females so i should leave the tank light s on for the biggest part of the day
 
so should i keep my lights turned off excpet when go feed them

If you are talking about tank lights, then you should leave them ON for about 10 to 12 hours a day, then turn them OFF for 12-14 hours at night. Just like any other animal on Earth, fish need regular periods of both day and night. Keeping the lights on or off all the time is a recipe for disaster.
 
You should have a set time that the lights are on and the rest of the time the lights should remain off. The lights do not need to be on for 10-12 hours unless you have a planed tank with live plants. If the tank is decorated with fake plants and decor you can have them on for a set time each day. For example, in a tank that is not planted you can set a timer to go on at 4pm and turn off at midnight. If it is planted you can have the timer set to turn on at 2pm and turn off at midnight. This will give you plenty of time to view the tank when the lights are on and the fish will have a set time where it is daylight in their tank and lights out or nighttime the rest of the time. Your fish will be happier this way and so will you. Keeping the lights on all of the time is also a recipe to have a severe algae breakout even if you do all of the water changes and regular maintenance. Timers are relatively inexpensive and will keep your tank on track with a regular schedule.

Marinemom
 
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