Well, I am interested in a filter for the entire system. It isn't just the time to take off each head and toothebrush the individual filter, it is that one also has to realign them, not just simply screw them back on, when one is done.
I was surprised how dirty mine were in Citrus grove, when I had only done it six months ago, and it was green slime, not sand. With the ponds being so low I would imagine that will remanifest even more quickly now.
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