The timer is your typical manual timer with pins that are up or down dependent on when you want the lights, feeders, etc. on. One side is timed, the other side is not, which means that you have four outlets for things that need to be turned off (lights) and four outlets for things that get left on (filter and air pump, e.g). There is a switch on the side that allows you to easily override the timer. My only complaint is that by orienting the outlets as they are, large plugs need to trimmed slightly to fit. Another 1/8" would have made a big difference, or if the outlets were rotated 90 degrees then the large plugs would not be an issue. I am very satisfied with it, and gave it 4 stars instead of 5 because I feel that the product could have been better designed and tested before marketing it.
Seriously disappointed with this purchase so far. A fantastic value, but mine (which I am assuming is defective and will be trying to exchange) shuts off even when the pegs to keep it on are in the down position. It appears that the wheel that the pegs turn actually pushes them up as it moves against it. I initially thought it was happening only when the timer made the transition from off to on, so the off cycle grew gradually longer, but it has started happening mid cycle now, which stresses my pets.
I intend to attempt to exchange it and hopefully be able to update this review with more positive things to say.
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0 stars... Bought this light timer at Petsmart just now and I set it up (I've set many a light timer in my day) and everything seemed well. Went to make some lunch, looked over 5 minutes after set up and it was off. It pushes the pins up by itself like other reviews state. And now it won't even work in the "all outlets ON" position. Crap. Awful light timer. Do not buy.
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Straight out of the box this thing didn't work I would give it zero stars if I could I just wasted 20 bucks in a 8 port surge protector when I could have went to the 99 cent store to get one. This is the first purchase I have made from amazon that was a bad one but its not their fault it's the maker, I should have listened to the reviews but I didn't. Do yourself a favor and don't buy it or buy it and hope you get a good one its your call.
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The timer works like it should. I have 2 lights and a powerhead that come on during the day hours, while a filter, heater, and air pump are constant powered. I have a separate wall timer on a GFI outlet for my submersible LED lamps (beware the AquaSun Timer cannot support LED low voltage transformers side-by-side due to lack of space).
I've had it about a week, and so far it does not tick loudly. I replaced a programmable timer with this one and haven't had problems.
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I really like this filter! Setup was easy, simple & very straightforward. It has two compartments for media & the water flow is adjustable. It comes with a pack of ceramic bio-media & a pack of carbon as well. But after I used the carbon I just put in more bio-media that I bought seperately. I have a 6" goldfish in a 29 gallon tank & she needs all the bio help she can get! Goldfish get very big & are huge waste producers.
