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hi atoll ,thanks for the reply ,I seem to have a mix of allsorts of algae at the moment some of which could be diatoms on the aragonite sand bed but the algae growing on the glass is a green dusting...

been a while since I updated ,about a month ago I increased the scrubber size by 50% and also added 4 more leds , so now approx. 5" by 7" screen lit by 6 x 3w leds each side running at 700ma 22hr...

ok I will see how it goes with diffusers removed and lights on longer and will post an update of results
thanks guys

about 12 - 14kg of rock ,its not covered in green algae, more like some of it looks painted green so to speak and a few areas of longer hair algae ,ill add some pictures , ive had this scrubber...

thanks guys
ive removed the diffusers as advised which dramatically increases the light on the screen and will keep a close eye on it for burning and will try and figure the maximum hours I can keep...

yes agreed im sure the test results are false as otherwise there shouldn,t be any algae issues hence I don't test for nitrate or phosphate any more .Im really looking to get the optimal performance I...

hi
lights are approx. 2" from screen
I no longer test for NO3 or PO4 as levels are always very low even on a hanna checker
so im not using the scrubber to lower specific figures but to control...

hi everyone
ive been running a diy waterfall scrubber on my 60 gallon reef setup for some time now but never seem to get green growth or any real hair algae yet nuisance algae persists in display...

hi Floyd thanks for the reply and advice , yes I clean the top of the screen every few days with a toothbrush, it seems to be getting going now

hi here are some updated pics ,1st is of the lit side of the screen and second is of unlit side ,should I clean either side ? or just leave it to grow ?
thanks 45914592

ok will do that then ,thanks santa

thanks for the reply Floyd ,so do you think I should stick to the 18hr on light cycle ?

hi santa here is an updated picture taken the same way as the previous one for a direct comparison ,I cleaned off some of the yellow inbetween this period as it didn't seem to be colouring up so this...

ok here is a picture ,please ignore the stripes as they are from when I seeded the screen with strips of my previous screen4544
the screen is 6" by 3" and currently lit by 4 x 3w 660nm hyper red...

hi everyone
im running a single sided scrubber and all flow and sizing is within the guidelines ,what im a little confused about is that I seem to get a lot of yellow growth on the lit side and a...

that's great thanks for the quick reply

hello to everyone
I live in the uk and have been following the forum for some months while also trying variations of the algae scrubber idea out on my 2ft cube reef with 20g sump ,ive finally...