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Originally Posted by Danger69  Out of curiousity can I do a water change every 2 weeks instead of every week? |
Not a good idea. It may work, may not. That's a lot of ferts to build up over 2 weeks.
BTW, make sure your light period is not too much. I'd suggest 8 hours until your plants are filling in then maybe 9-10. Otherwise it will be algae galore.....