I do not understand the IPower negative ratings. I have used IPower with success. My issue is the seller. This issue may be the cause of the folks that had a bad experience with the product.
My bulb arrived with the manufacturer's box opened MANY times previously. The wear & tear on the lip of the box was severely worn. I have a LUX meter. I held the LUX meter to the bulb I received and my currently bulb being replaced (same IPower model). The new bulb I recieved is weaker than my six month old bulb.
There are many inexperienced and rookie folks in this hobby and would not know the difference between a used bulb (which is not blown, just losing it's LUMS). It is possible we are dealing with folks selling old bulbs. At this point I have fact supporting they are selling old bulbs and zero information to support they are not.
+ ￥137.61 运费及进口关税
+ ￥137.61 运费及进口关税
iPower MH Grow Light Bulb for Magnetic and Digital Ballast 400-Watt
全新品 2 售价从 ￥114.20 起
- Promotes vegetative growth and leaf production
- 36,000 Lumen, High CRI for daylight-like performance
- Long service life with high lumen output and low energy consumption
- Regulation: USA Federal Standard 21 CFR 1040.30 + Canada Standard S OR/80-382
- Warranty: 1 year
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美国亚马逊： 433 条评论
I've been using these affordable bulbs for 5 years and have been totally satisfied with their performance2018年1月31日 - 已在美国亚马逊上发表
I was not aware that over time these bulbs lose intensity but run hotter. After using my original for a few years, I bought this replacement. I immediately noticed how much brighter it was and did not produce as much heat as the old bulb. I've been using these affordable bulbs for 5 years and have been totally satisfied with their performance.
Great Deal!2016年7月14日 - 已在美国亚马逊上发表
The price was so attractive I ordered 2 HPS bulbs. When they arrived I tested them, but I made a mistake, I plugged them in to a ballast that is only for MH bulbs, so naturally they didn't work. Not realizing my error I notified Amazon that the bulbs didn't work and 2 replacement bulbs were quickly shipped. When the replacement bulbs arrived I finally came to my senses and plugged them in to a correct ballast. Both replacement bulbs worked fine, and since I hadn't yet returned the original bulbs I tried them and they worked fine too. As a result I will keep all 4 bulbs, with the understanding that I will be charged for the originals and replacements since I am not returning any. That's fine. I'll have a backup supply of bulbs at a VERY reasonable price. My apologies to the company for my mistake. Buyers, make sure you are using the correct ballast! .
Not the best2018年6月12日 - 已在美国亚马逊上发表
Two of these we have had, and two have burned out after 2000hrs each. We never touch the glass with our bare hands, was working well then nothing. 1st time was in the middle of veg, Amazon-primed one out to me quick, now this one went, luckily this time we were about to change the bulb out for the flowering stage. It has been over a year and no manufactures guarantee left so can not exchange. Would prefer to spend more on a longer lasting bulb, I think that's the way to go :( sad