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I have 3 cheap led strips that are daisy chained together. I put magnetic door sensors on my doors so when I open and close my doors my apex will turn the lights on and off.
The 5 lb is brand new so it should be good for 5 years. Not sure about the 10 lb i dont know how to read the code on the tank. I got it used but after 5 years they just recertify them I used to get it done on my welding tanks all time.
I have a 5 and a 10 pound co2 tanks. $40 for the 5 which is full and a new tank and $30 for the 10 which is empty. Cash or PayPal located in Hamilton nj 08620.
When I had my 38 gallon setup I didnt do a water change for almost 2 years. Every once and a while I had to replace saltwater with some freshwater to keep salinity right. Tank was a mix reef mostly sps and it was fine. Now my 225 doesn't like not having water changes so I change 2 gallons a day...
I have two gyres running random flow at about 4500 gph max one on each side of my 225 and grow acros and sps just fine. You want to see polyps whipping around.