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I've looked around for info about using Cal Mag with an RO system. It looks like most people say to use Cal Mag with it, though I have been doing so and my ladies seem to be suffering a bit and I believe it has something to do with this. Does anyone know how much to use when the water has...

I'm looking to reuse my perlite but wanted to check and see if anyone has done it and how it worked out.. What's the best way to clean it? I thought about trying the hottest tap water and a small amount of bleach. All feedback appreciated, cheers! :)

Hi guys thanks for your comments. I don't think the ballast is bad, as I've used several different brands and it keeps happening, the same thing. I haven't heard any hum or vibration from the ones that appear to no longer be working. I'm thinking something small is just being overlooked...

Hi, I've had several ballasts quit lighting on me in a short while and I'm starting to think it's more than a coincidence...if you happen to know anything about this or my questions below your input would be much appreciated as I don't know what to do from here :/ I have different brands...