Unfortunately I expected no algae at all, and got plenty.
But it seems there is a cure.
It turns out algae, like pretty much everything else, needs light and nutrient.
The nutrient I cant do much about, but I can definitely cut off it's light supply. It turns out the fish prefer to feel safer in semi darkness as well, so all I need to do is cover my fish tank.
All that junk on the ground is the inevitable result of letting me near PVC with a saw.
I think if I cover the top half of the blue bit where it's visible, and just leave a blue skirt, it might even look ok.
That faint dark smudge on the bottom left is the bottom. It's only 1 metre away and you cant really see it.
That's not so good.
My big concern now is that when all that algae dies, there is going to be a huge spike in ammonia and nitrite as it breaks down, so I've stopped feeding.
On the up side, I have my new grow bed available to take up some of the workload in processing the waste, so I might be ok. I also bought some more media so I can get the second new grow bed online hopefully before the ammonia starts being produced.
My 120 things is 20 years sometimes turns an aquaponics system into an algae farm.
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