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Algae Scrubber- Santa Monica Rain 4

Removes nitrate, phosphate, nuisance algae, CO2 from your aquarium water Adds oxygen, pods, and raises pH of your aquarium water You can feed some of the algae to your fish or snails! Entire unit, or just the screen, can be removed for cleaning with just one hand From the inventor of the very first waterfall algae scrubber in 2008, Frag Mate is proud to be the Australian Supplier, pole mount included with rain4 unit as standard

RAIN4(tm)


Pole Mount
Waterfall Algae Scrubber ATS
for saltwater sumps


No dangerous metal 240/120 volt lights.




With waterproof submersible GEM5®  lights, Green Grabber® screen, and pole mount.

Eliminate waterchanges, remove nuisance algae, nitrate and phosphate.
 
Cultivate seaweed for feeding.




RAIN4 videos:
First Cleaning, with growth ring:  https://www.youtube.com/watch?v=T8WgRwzs3W4
Pole Mount unboxing and partial install: https://www.youtube.com/watch?v=hPgHmc-nZOs
Unboxing by 915mang: https://youtu.be/_HacgCB2LlM


Videos of smaller RAIN2:
Growth review by CJ Aquarium: https://www.youtube.com/watch?v=WF9C0I4MD_g
Install review by CJ Aquarium: https://www.youtube.com/watch?v=1kpWWDUxaQY
One-handed screen removal/replacement (47 seconds): https://youtu.be/zbgbCCpiJGc 
First cleaning with just one light: https://www.youtube.com/watch?v=I5mG_uid4Ms
Dome Lid Cover, and Lights: https://www.youtube.com/watch?v=Ba5Hy9gr4FI

RAIN4 product dimensions **without** pole mount: 10" long x 5" wide x 13" high (25cm long x 12.5cm wide x 32cm high). Dimensions with pole mount will depend on your choice of pole mount segments.


No dangerous metal 240volt lights.

Welcome to algae scrubbers. We are the only source for patent pending waterfall scrubbers that use our new dome/tray combination. All the oceans, reefs, lakes and rivers are naturally filtered only by algae, and all organic particles remain in these waters to feed the animals. Reduce your glass cleaning and water changes, and create an environment for living micro-animals to grow inside the scrubber. No more dosing or possible overdosing of chemicals. No more refilling media. No more pale corals from low nutrients, and no more sick animals from high nutrients. Far more powerful than chaeto or refugiums, and does not remove any food particles. And you can use the algae as food!

The RAIN4 will do most of the filtering needed for your saltwater aquarium, and in most cases it will do all the filtering if it is the proper size for your amount of feeding that you do and the amount of rock that you have. Part of this filtering includes helping eliminate two very important things that drive most aquarium owners crazy: Algae and waterchanges. The filter works by growing algae on the screen, and these algae consume all the "bad" things out of the water*. This is how all the oceans, and all the lakes, are naturally filtered.

Because of the high filtering photosynthesis of our scrubbers, it's not recommended to run them with macro refugiums or chaeto reactors, because the macro or chaeto will die and the nutrients will be absorbed by our scrubbers.

From the inventor of the original waterfall algae scrubber in the year 2008 finally comes a larger version of the popular ATS waterfall RAIN2: the patent pending RAIN4. The underwater submersible and electrically safe GEM5 lights (also patent pending) allow the RAIN4 to be placed in your sump anywhere you like, as low to the water as you like, which saves a lot of space. And the pole mount (included with the RAIN4) means you don't even need a shelf or a bracket to place the RAIN4; just use the pole mount to set on the bottom of your sump. You can fit two RAIN4 units into the same space that other waterfall algae scrubbers take for just one of their units. 

The pole mount that is included with the RAIN4 is recommended for the easiest and most sturdy operation, and it has multiple height adjustments. However the pole mount is not mandatory; you can use a shelf or other technique to mount the RAIN4 similar to the smaller RAIN2 if you wish. 

Safety is a prime concern, and our GEM5 lights keep the 240 or 120 volts far away (2 meters way), with only a safe low voltage going into your sump area. The system is so safe that you could cut the GEM5 lights in half and put them in saltwater and nothing would happen. Other waterfall scrubbers, however, use so-called "waterproof" Chinese lights that are bolted onto the outside of the scrubber box, and the 240 or 120 line voltage comes right into the sump area. Not only are these lights not waterproof (don't ever put them in water), they are not even water resistant, and salt creep will eventually get inside them, causing an electrical hazard. Our power supplies are UL and Canadian UL certified. The Chinese lights that others use, are not.

Also included with the RAIN4 is a 2 mm thick, 2 sided, patent pending Green Grabber® algae attachment screen. The screen is also sold separately for DIY, and it is the modern replacement for the old hand-scrapped plastic screens. It is 3D printed in Rough 3D (TM) and has far more algal-attachment surface area than hand-scraped screens. Also, similar to our air bubbling upflow UAS scrubbers, the screen of the RAIN4 is surrounded by air so that when algae growth is strong on the screen, the algae can get the carbon it needs from the CO2 in the air (instead of from the alkalinity in your water) after the CO2 in your water is used up. Thus the scrubber growth (filtering) is not limited by your alkalinity and CO2 in your water, and your alkalinity will stay at higher levels. This is compared to sealed chaeto reactors which don't contact air and thus must get all the carbon it needs from your alkalinity, which causes the alkalinity to drop faster, and the growth to slow down.

The RAIN4 comes with 6 of our GEM5 lights, which will be already mounted to the inside of the dome lid cover. The GEM5 lights are also sold separately  and you can add more of them to the dome lid by using silicone glue if you wish. The RAIN4 also includes 2 power supplies (the RAIN2 only has one) so that you can start off with fewer lights when needed, and can control them easier with a controller if you have one. Two power supplies is also great for backup, in order to always have some of the lights operating (photosynthesis water filtering only works when illuminated).

Aquarium size: The RAIN4 has 48 square inches of 2-sided growth surface and is designed to be the only filter on an aquarium that is fed up to:
4 frozen cube per day, or 
40 pinches of flake food per day, or 
40 square inches (240 sq cm) of nori seaweed per day, or 
0.4 dry ounce (11.2 grams) of pellet food per day. 

The amount of water in the aquarium, or the dimensions of the aquarium, are not important. If you feed more than the above amounts, you can use additional RAIN4 filters (or use our SURF, HOG or DROP filters) to add up to the amount that you are feeding, and then clean one of them at a time on a rotating schedule (one per week, etc). If you feed much less than these amounts, and the aquarium is very small, then it will still work but you just need to find a place where the filter will fit. It’s not possible to over-scrub.



Drain Pipe: Although a drain pipe is not needed, you can add one by using a standard 1” ID drain bulkhead which fits standard 1” (25mm) schedule 40 pvc pipe. The drain hole in the tray is 1 ¾” (44.5mm) diameter.

Head Room: If you are installing the RAIN4 in a sump or cabinet area with limited space, the RAIN4 needs only 2" (10cm) above the top of the light-cover dome lid in order to lift the whole tray unit up off of the pole mount, and then you can remove the light-cover dome lid from the tray.

If you commonly have power outages, all other waterfall scrubbers will dry out after a few hours, but you can prepare for and prevent this with your RAIN4 scrubber by placing it low enough in your sump (even slightly underwater if needed) so that when the power goes out the water level in the sump will rise up high enough to keep the screen under water. The GEM5 lights will not be harmed at all because they are designed for underwater use. With the screen submerged like this, it can last for several days with no flow or light. Do not ever try this technique with other waterfall algae scrubbers because it would be a serious electrical hazard.

The GEM5 lights can be put on a timer so that they stay on for part of the day, and off for the rest of the day, to possibly improve growth and filtering. However you can try 24 hours of light (no timer) if you like because sometimes it does work well in saltwater with high measured nutrients such as more than 1.0 ppm phosphate. But generally, algae need dark time to rest, so plan on getting a timer, especially on a new tank with low nutrients.

The RAIN4 requires a water pump that can pump at least 200 gph (760 lph) water flow 24 hours a day. 300 gph (1135 lph) might be better to fill up all areas of the screen. The height (“head”) of the filter above the sump water level will require that the pump be able to pump up to that level and still be able to supply enough water. Generally, a 400 gph (1500 lph) pump with an adjustable output works in most cases. The water can also be fed from your display overflow; any type of overflow system (Herbie, Durso, siphon, etc) will work. Suggest a MANTIS 2000LPH 

This RAIN4 will run on both 120V and 240V, and comes with two 1m power cords with two AU plugs. If you require different plugs you can get adapters at any local hardware or travel store, or online, or you can cut off the U.S. plugs and install your own plugs from a hardware store. They are simple 2-prong plugs, and no transformer is needed. Or you can use laptop figure-8 cables from any country; it plugs right into the power supplies.

* Water Changes: If you have been doing water changes to reduce nitrate, phosphate, or nuisance algae, then an algae scrubber filter will greatly reduce the need for them and may possibly eliminate them. When algae grow in the filter, they consume nitrate, nitrite, phosphate, ammonia/ammonium, metals, CO2, and some toxins; so it’s just a matter of growing enough algae inside the filter to do the filtering you need, compared to how many nutrients you are putting into the tank with the food you feed (that is why the RAIN filter is sized for a certain amount of feeding per day). However, this filter (and algae in general) do not supply calcium, alkalinity, magnesium or strontium. So if you wish to reduce or eliminate water changes, and have stoney corals, you will need to supplement any calcium, alkalinity, magnesium or strontium that you were depending on water changes for. Freshwater aquariums, which may only need alkalinity (hardness) to be maintained, may get enough alkalinity from just doing evaporation top-offs with tap water from your sink.

This RAIN4 comes with a 1 year warranty: Warranty is for replacement or repair only; not a refund. Costs for shipping back to us are not covered; you will need to ship the entire unit back to us before we can ship a replacement. Warranty is limited to repair or replacement, and does not cover fish loss, personal injury, property loss, or direct, incidental or consequential damage arising from the use of it. The warranty and remedies set forth above are exclusive and in lieu of all others, whether oral or written, express or implied. We specifically disclaim any and all implied warranties, including but not limited to lost profits, downtime, goodwill, damage to or replacement of other equipment and property, and any costs of recovering animals, plants, tanks or other aquarium related items and/or equipment. We are not responsible for special, incidental, or consequential damages resulting from any breach of warranty, or replacement of equipment or property, or any costs of recovering or reproducing any equipment, animals or plants used or grown with this product.


RAIN4 product (not shipping box) dimensions **without** pole mount:
 10" long x 5" wide x 13" high (25cm long x 12.5cm wide x 32cm high).



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