RAIN-4 with optional slime screen shows it holding onto dark slime that would fall off of flat screens. Dark slime is from high nutrients in the water.
Growth Pics
- Thread starter SantaMonica
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DROP-10 putting a lot of scrubbing power into a small space
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Two HOG2 or 2x units from a freshwater tank, starting to fill in with the typical freshwater slime which often turns into the super long Spyrogira hair algae.
It's the super long (1 meter) growth in freshwater that make bubble upflow scrubbers preferable over waterfalls; waterfalls let the long growth get stuck in sumps, whereas upflows keep the growth circling around inside the unit.
It's the super long (1 meter) growth in freshwater that make bubble upflow scrubbers preferable over waterfalls; waterfalls let the long growth get stuck in sumps, whereas upflows keep the growth circling around inside the unit.
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RAIN-8 with the growth-catch boxes full. The lights and white colors are designed to keep algae growing in the boxes. Removing and cleaning the boxes is so easy.
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Different stages of a RAIN4 screen filling in with dark slime from super high nutrients in the water. Probably should be cleaned sooner since some slime has fallen down to the bottom tray.
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This RAIN2 had light running on one side only. It shows a few things:
The non-light side has a dark area at the top; this is where light is having trouble reaching the "roots" and thus grows dark/black slime, which does not hold on well. Having light on the other side would have helped prevent this.
The lit side has growth which has fallen onto the tray; if light had been on the other side, this growth could have held on longer. Growth on the tray does not continue to grow much because of lack of flow and light, unlike the RAIN-8 which is designed to continue to grow on the tray.
The fallen growth, although not growing much on the tray, is still very easy to clean due to the removable dome and tray. This is the opposite of box style scrubbers where you have to reach down into the box to scrape the bottom, that is, if they ever grow this much at all because their lighting is usually much weaker.
The pipe slot should probably have been brushed clean on each cleaning; it looks like it might have not been brushed in a while, and thus some flow is being blocked. That's the reason for a black pipe: it reduces light getting into the slot and growing growth which blocks the flow.
This person has put a piece of material on the tray to reduce waterfall sounds. However if you just control the flow so it's consistent across the bottom of the screen, there should be almost no sound. And if you lower the tray down to the waterline, it will be silent.
The non-light side has a dark area at the top; this is where light is having trouble reaching the "roots" and thus grows dark/black slime, which does not hold on well. Having light on the other side would have helped prevent this.
The lit side has growth which has fallen onto the tray; if light had been on the other side, this growth could have held on longer. Growth on the tray does not continue to grow much because of lack of flow and light, unlike the RAIN-8 which is designed to continue to grow on the tray.
The fallen growth, although not growing much on the tray, is still very easy to clean due to the removable dome and tray. This is the opposite of box style scrubbers where you have to reach down into the box to scrape the bottom, that is, if they ever grow this much at all because their lighting is usually much weaker.
The pipe slot should probably have been brushed clean on each cleaning; it looks like it might have not been brushed in a while, and thus some flow is being blocked. That's the reason for a black pipe: it reduces light getting into the slot and growing growth which blocks the flow.
This person has put a piece of material on the tray to reduce waterfall sounds. However if you just control the flow so it's consistent across the bottom of the screen, there should be almost no sound. And if you lower the tray down to the waterline, it will be silent.
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Just finished installing the RAIN-8 twin screen pole mount waterfall algae scrubber on one of my systems. Very easy to install. And the build quality of the scrubber is excellent. Here’s a link.. more to come.
Part 2.
You can also when a $100 gift card to Williamson’s Reef.
You can also when a $100 gift card to Williamson’s Reef.
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SURF-8 showing slime growth on the Green Grabber strings, and green hair having been mostly harvested.
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This DROP.6 with one LED is showing some decent growth, that will need brushing in a sink.
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This is a RAIN4 just starting to get a thin light-tan coating of growth. A single GEM5 light, on one side of the screen only, is enough to get started.
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RAIN2 ready for a harvest and tray cleaning.
Interesting growth coming from my Drop (1.2x, I think).
The algae is very.. succulent-like. I'm not quite sure what it is. Not like the turf that grew in my Surf 2.
The algae is very.. succulent-like. I'm not quite sure what it is. Not like the turf that grew in my Surf 2.
Justfebreezeit
Valuable Member
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It's getting too full to allow bubbles/flow to deliver nutrients. Also the black shade screen should not be used anymore.
Brush everything out, including the holes in the case, and make sure bubbles are flowing up on the three walls by looking at it underwater with the door open.
Should fill in more evenly green in the next week.
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Looking good. Dip it in tap water once a week to kill any pods in there.
Thanks! Will do. Any idea what type of algae that is? Doesn't seem like hair/turf algae.
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