SeaChem – Large Aquarium Fish Tank Filter, Tidal 75 Gallon (300 Liters) by Sicce
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Availability:
In Stock.
Arrives
Wednesday, Oct 28
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At a glance
- Condition
- New
- Dimensions
- 15"L x 6"W x 15"H
- Weight
- 1 kg
- Color
- Black
- Material
- Plastic
- Tank Volume
- 75 gal
- Special Feature
- Adjustable Flow Regulation
- In the box
- all
Features 5
- Adjustable flow.
- Built-in maintenance monitor.
- Surface-skimmer inlet.
- Versatile, large capacity media basket for mechanical, biological, and chemical filtration needs.
- Fast-easy setup; no plumbing required.
Description
The fully adjustable flow regulation feature on the Tidal Power Filter adjusts performance to a specific aquarium volume, type, or provide an environment for fish which prefer more or less water movement or oxygenation. Adjust the dial from anywhere between 450 gallons per hour down to a gentle 90 gallons per hour. For over three decades, Seachem has been a company rooted in sound science. Our experience in the hobby and an educated staff of chemists and biologists are part of the package when you purchase Seachem products. Seachem remains as one of the few surviving independent and privately owned pet care companies. Seachem is owned and operated by hobbyists. All of our employees are hobbyists who maintain aquariums at home and at the office. Seachem itself was started because one such passionate hobbyist - Dr. Leo G. Morin (Founder) - recognized that the available solutions to aquarists problem wanting. This resulted in Seachem’s very first product: Cupraplex (today known as Cupramine). Over thirty years later Seachem is still approaching old problems in a new way. Seachem’s philosophy is that the knowledgeable hobbyist makes the best customer. This is reflected in solid and reliable customer education and support as well as products proven in science and performance. While Seachem has grown rapidly into a national and international firm, it retains the culture of a small company and is readily available to its customers.
Specs 29
| Brand | Seachem |
|---|---|
| Material | Plastic |
| Tank Volume | 75 gallons |
| Special Feature | Adjustable Flow Regulation |
| Product Dimensions | 15"L x 6"W x 15"H |
| Item Weight | 1 kg |
| Shape | Rectangular |
| Specific Uses For Product | Active |
| Style | Modern |
| Color | Black |
| Item model number | 67106501 |
| Manufacturer | Deepwater Aquatics Distribution |
| Brand Name | Seachem |
| Model Number | 67106501 |
| UPC | 000116065016 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Global Trade Identification Number | 16 |
| Unit Count | 1 Count |
| Item Type Name | Seachem Tidal Filter By Sicce 75 Gallon |
| Manufacturer Part Number | 075444 |
| Additional Features | Adjustable Flow Regulation |
| Vivarium Type | Aquarium |
| Pet Type | Fish |
| Target Species | Fish |
| Item Dimensions L x W x H | 15"L x 6"W x 15"H |
| Item Shape | Rectangular |
| Product Style | Modern |
| Material Type | Plastic |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Oct 28
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This is the one.
I had another brand HOB filter that uses filter cartridges. I tried to reuse them, but they're too fragile and would practically fall apart cleaning and the filter would stop up quickly. I then started looking and found this Seachem Tidal 75 HOB filter, there we're high praises for this being one of the best of the HOB style filters. This filter is easy to service. The filter has a filter basket. To do media changeovers, you unlock the filter basket by pulling the blue lock button towards the front and lift basket out. The lid has a detail on the bottom side to snap the bottom of the basket to the lid to keep from dribbling water on the floor as you carry it to a sink to setvice the sponge and bio-media. The sponge and Seachem Matrix comes included. I added some sintered ceramic rings into the zippered mesh bag (included) to fill the bag and have bio-media bag on top of the sponge inside the basket. Your options are endless in regards to filter media. I plan on using Purigen or something similar later to crystalize the water and make appear like there's no water. The water is pumped by a pump on the intake submersed below the waterline, so it never needs priming, power outage, no worries because it will start back up immediately when the power comes back. The Tidal 75 has 2 intakes, the intake tube on the bottom and the skimmer. Then it has a intake control valve that controls the flow between the 2. I have the most of my intake coming from the intake tube on the bottom and the least amount of flow possible on the skimmer intake. It has a flow control on the outake to control how fast water is pumping through. All the way down will slow the flow to a trickle, all the way up gives you 350 g/h. I have mine on a 40 gallon and it is working extremely well. It is very quiet. I highly recommend the Seachem Tidal HOB filter. I have absolutely no regrets, excellent filter for the price point.
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Reviewed in the United States on October 31, 2024 by Steven
Great filter!
Love this filter. For the most part it is super quiet. As you can see in the videos. But you must have the water at a specific level with the filter. If water evaporates a little bit it will make a little bit more noise. And I’ve noticed you do have to play with the water flow a little to get that quietness. I personally don’t care what it sounds like as it’s in my living room and this filter is the best bang for its buck. I got the 75g filter for my 40 gallon as I want to stock it pretty good and need as much filter capacity. Which you can see the compartment in the filter is huge. I managed to fit my old filter media in there to start up my cycle a little faster. What’s also nice is that the motor is on the inside of the tank. So you don’t have to prime it after every water change. And if the power goes out. That’s one of the main reasons I picked this over aquaclear or the likes. And I do love that it’s a surface skimmer(when the water is at the right level) especially for the fish I plan to keep in there, they don’t like a lot of water movement. I think the quality is fantastic. Comes with media. You will want to get filter floss and just cut it to the cartridge size just to trap any particles. For reference it’s the green stuff in the picture. And you will probably want an intake sponge if you want to keep shrimp. Because this does not come with one and the holes are pretty big on it.
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Reviewed in the United States on November 3, 2025 by Brittany
So far so good
I have a 35gallon tank that is filled with platys gone wild. What started out with five exploded to at least fifty. So pulled out all the plants and bought the oversized SeaChem 75 to handle the biological load. I considered a canister filter but I wanted something simple to maintain and more or less leak proof. This filter checks all those boxes. It is fairly quiet and the only noise I notice is the babbling water. My vibrating air pump masks the rest. I also like the fact that there aren't any hoses snaking inside and outside the tank. The filter does a good job filtering the water. It is clear and I rarely see any fish waste. Customizing the filter media is simple. The only quibble I have is the flow control. For example it would nice to have a way to cut off all flow to the surface skimmer. In comparison to the canister filter I was considering, this filter is 1/3 the price for good performance without the headaches. After a month, I'm happy with my decision.
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Reviewed in the United States on March 14, 2026 by S. Trinh
Love the design and the overall power is great
I got this to replace what I felt was a somewhat loud Penguin 200. The 200 did the job and I had no real complaints however after the reviews I thought I would try to quite things down a bit. Well to my suprise, the 200 was not much louder. To be fair, I have found most filters don't really give you the truth in sound and filtering until after they have been broken in. You have to allow some bio-build up, and running hours before you can really tell what you have. To get them up to speed, I often skip my maintenance to allow for this build up. So maybe in a month or so, I will have a better idea of how it sounds. As for the performance. IT WORKS LIKE A BEAST!. I really like the fact that I can put my own media in and configure it as I see fit. I big on having as much media as the system can hold. This allows for me to change out media in a rotation that keeps everything ready to go when doing maintenance. I have noticed the lil blue pop-up that tells you when you need to do maintenance. I would say it's a good idea, but not sure I trust it. From day one, mine popped up after just a few hours of running. I thought this might be due to me packing it jam tight with media, so I removed a few items, it went down a bit, but was never flush. The skimmer works! I tend to keep my tank water level very high, so I thought it might not be useful until my water level dropped, but I noticed even when the skimmer was underwater, I could see it pulling small bits of food. So much so, that I started dropping food on the opposite side of the tank to make sure it was not sucking up everything before the fish could get it. One thing I did not expect was the flow control. As others have noted it is very good. However even on it's lowest setting, this thing pushes your water around somewhat strong. Trying to use this on a smaller tank (say 29L or 30) might still allow for some strong currents.
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Reviewed in the United States on May 22, 2020 by S. Bryant
Best HOB filter on the market
I bought the 75 for my 40g breeder. It’s easy to setup, easy to clean and has tons of room for media. I’m not so sure the surface skimmer works well, but I don’t really use that. The motor sits inside the tank so it’s self-priming and restarts if the power goes out. My one gripe is that I wish the outflow was less “boxy.” I would’ve preferred a more diagonal fall for water reentering the tank.
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Reviewed in the United States on July 23, 2026 by Charles Macnaughton
Great products
Great filters! Powerful and easy to maintain and customize
Reviewed in the United States on September 17, 2026 by Jose Ibarra
Great flow control.
Really love this filter. It has some amazing force behind that flow! The skimmer makes this even more awesome of a filter. Though it does seem like the bottom at the intake tube does not have as strong of a pull as the skimmer does which is a bit unfortunate. If you have fish who love flow, this will keep them happy. Lol. I also have a betta in here, so I had the flow nice and slow, and did perfect for him without causing any stress of blowing him around. UPDATE: I just bought another one for a new Seaclear aquarium I got again, and so far, so good. Quietest motor ever, and no water rushing sound on its lowest softer setting. I have a betta in here so I want to keep it a softer flow anyway! I may have Obsessives Fish Tank Disorder! UPDATE of 2022: So I loved these filters, I bought two more since then after I got out of the hobby for a while, and these new ones don't last at all. Both on my saltwater tank and freshwater tank they seem to constantly die out. I have to struggle to get them to start up again after giving them a good cleaning. While they have such a great media section for everything to fit, they really aren't working so well these days. I can't even put the current up on ether one of them without it spilling over and letting the dirty water flow in. So there is no possibility to put it on a high current at all. I'll have to look into a new set of filters..which will be hard to find anything that holds so much media!
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Reviewed in the United States on March 8, 2019 by Aerith Gainsborough
Immediately disliked
Let me just say this…there are only two good things things about this filter and many negative things. First, those awful blue accents. I mean this filter would look 1,000% better if it was all black. Heck I’d even settle for a dark blue. Goodness what an ugly color. Obviously not the most important thing but I figured I’d mention ALL the things I dislike about it. Second, this filter is so incredibly loud. I don’t know who told me this filter was supposed to be quite because they lied. I’ve used cheap $15 HOBs that are less loud. The lid rattles, the weird angle the water comes out makes it very loud. I’ve tried raising and lowering the water level but it’s always loud. Turning the filter up and down, still loud. It seems running at almost fully low, with high water, results in the quietest noise. Unfortunately I decided to set this tank up in my bedroom and thought this would be a quite filter. This filter has often woken me up from sleep because of some odd noise. And my girlfriend classifies me as a “heavy sleeper”. Third, impeller stopped working after 2 hours. I added this filter to a brand new 55 (I know this is the 75 gallon version) that I was going to start cycling. There was just fine gravel at the bottom. I plugged in all my accessories and went to do another project. Came back two hours later and the filter was off. Everything else was working. I unplugged it, plugged it back in, nothing. Plugged it into another outlet, nothing. I took my pre filter sock off, nothing. I took the filter off removed all my media, re rinsed it just incase and because it had only been going for less than two hours. Plugged it back in, nothing. Took it back off, fully took it apart, rinsed every component, put it back together, finally it worked. Forth, the skimmer part is honestly annoying. I thought I could turn it off or on but it seems like water is always getting pulled through there anyway. Also, any debris it sucks up just seems to clog up the filter. Filth, the heater holder is way too small. I’ve used many different heaters that are marketed for around 55g tanks. Only one fits in that holder. This filter is supposed to be rated for a 75. Sixth, the annoying filter pad size. I know it’s just so customers are more inclined to buy directly from the manufacture but dang son. Why, why shape the media basket that way. So annoying. I just want to use regular rectangle or square pads. The pad is very coarse so it won’t remove that many particles which is why I have a pre filter sock. Also because of the odd shape it causes the water to flow up through the media unevenly. And finally the only two good things. When this filter works, it works well. It moves a lot of water and holds a good amount of media in the back, and it is self priming. So if you don’t care about those other things then go ahead and get this filter. I’d much rather use my Aquaclear filter even though I have to prime it after it looses power. Overall rather displeased and disappointed. Especially considering all the high reviews I’ve read and seen on YouTube. 2/10
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Reviewed in the United States on March 31, 2022 by Andrew N.