Coralife T5 Replacement Lamp 6,700K, 21 Watt 36"

It was broken when it arrived. The package was undamaged, but the light was in pieces. When I tried to replace it, all I saw was an option for return. I figured I'd return it and order another one. I clicked the "order again" button, and the price has gone up since I ordered it last week. I found another one--same brand, same kind--that is cheaper. Hopefully it will come intact. I think Amazon should have had "Fragile" written on the box. It was probably just tossed around.

The bulbs work. They light up. They look like daylight. Plants think it’s the sun and grow. Use with a timer and it’s like night and day. Beware shipping. Could come damaged. Two of mine came broken. Two arrived intact. If you need these bulbs, you should buy them.

The bulb only measures 33-34in which I assumed buying a replacement at 36in would fit (and it did). Bulb is nice and bright. NOTE: on installing, I had to pinch in the barb tips on the ends. The bulb would not "rotate" into the fixture so I pinched in the tips after looking at the original bulb and it went in tight.

As expected

Good product for a planted freshwater aquarium

Bought 3 bulbs and all 3 arrived BROKEN!!!!!!!!!!!!

This bulb lasted less than 6 months and failed with a 6-8hr/day cycle. Not a great life span so far. Lets see if the next bulb does the same.

I like the bulbs, but 4 of 5 I've bought have arrived shattered in the package.

Product arrived safe and and sound (surprising given the lack of protection for such a fragile product). Works great but I had to look up the model number on coralife’s website given the lack of information to ensure I was getting the correct one for my fixture. Overall great product but poor packaging and lack of information loses it stars.