If we swap this foam out with "bumpy foam" you see a bit of room for the water to flow into the filter basket. So, if we take a look at what is really going on internally we see the standard foam (right side above) which sits flush against the openings.
#Tidal 55 filter review mods#
From the typical "pond foams" that you can purchase for filter mods with the bumps you'll end up with something that is slightly thinner in profile and this might also be easier to compress when loaded with heavy media. What I have realized is that by adding more media or adding crushed coral in the basket, this compresses the sponge into these grates and emphasizes the bypass even further. It also gives the sponge itself a flat surface to rest on, somewhat. The basket does have "baffles" or sort to hold up the sponge and this is partly just due to manufacturing and wanting to have a clean edge and encourage flow internally. This also means we might be able to use something like eheim mech (thanks pondguru for the idea) to diffuse the flow itself. If Seachem feels like it, they can resolve issue #3 by adding some baffles in this space. There is a bit of space below the basket itself. If we look at the filter box itself and the basket, this is what we see. Let's take a look at why this helps and what is really going on.
For the Tidal 35, this alone has resolved most of the bypass issues and has given me a few notes. Simply cutting new sponges that allow water into the basket itself.
I want to attack these 1 by 1 and demonstrate each of these, but I will do this in a follow up post.įirst up we have the easiest thing we can do. Because of flow strength, media order, and bottom to top flow design, it's difficult to use something like purigen because of the high flow / bypass that forces lighter media off the top of the media basket and into the tank itself fairly easily. The filter basket design is very restrictive and tolerance on sponges is often undersized, which caused bypass when you do manage to get the water into the filter media basket.ĥ. the flow into the HoB filter basket can cause bypass simply due to the flow strength. The pump is incredibly strong and might be too strong in some instances. The flow path of the water itself in the pump is not well defined and the water constantly avoids filter media and filtration.ģ. The reduces the viability of something like an intake sponge and causes many issues for nano fish, flat bodied fish, or plants being sucked into the intake.Ģ. There is an excess of openings on the intake and this forces most of the intake of the filter to be provided via the skimmer, pump housing cover, and minimally from the inlet pipe itself.
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