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Product Features
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Product Details
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Product Description
Rite-Size C fits Penguin 200B, 350B, 330B, and 170B.Rite-Size B fits Penguin 150B, 110B, and 125B.Rite Size C fits Penguin 200B, 350B, 170B, and 330B.
Customer Reviews
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Most Helpful Customer Reviews
24 of 25 people found the following review helpful:
5.0 out of 5 stars
Great - but a warning,
By
This review is from: "Marineland Penguin 200B/350B/170B/330B Rite-Size C Filter Cartridge 6 pk " (Misc.)
The Penguin Bio-wheel pumps are great: quiet, effective and long-lasting. (I have a 170 filter in a 39 gallon tank.) These size C filters are widely available, but the Amazon price is much lower than at my not-so-nearby pet store.A word of warning. The day after changing my filter three months ago fish started dying. Next morning my 6" long Plecostomus was dead. Then three Clown Loaches, each about 5 " long. Within a week I had lost 18 of my 20 fish. Yet there was no sign of disease. A water test and much internet searching finally pointed out what I had done wrong. I had neglected my tank for a few weeks. In a rush to catch up, I siphoned out about 30 percent of the water (more than usual), did a "better" than usual job of siphoning up detritus from the gravel. Then - my biggest mistake - I replaced the Penguin filter too! The result is the water chemistry changed too quickly. The Nitrates spiked to a deadly level. My tank, healthy for more than two years, needed to be started over. Took two months and many water changes before I could safely add new fish. I visited perhaps a dozen "fish forums" and only one had a comment saying "don't change filters when you do a water change.' The Penguin filters and the box they come in carry no warnings. What I (and you) should do is simple: space your water changes and filter changes a week or two apart. Now knowing how important the "aged" filter is (especially in a tank like mine with no under-gravel filter) I've started this habit: there's just enough space to get a second filter flat against the old filter, their blue faces touching. After a few days I remove the older filter and put the newer one - by now doing some biological filtering - in its place. That way the tank is never depending on only a new filter. For larger tanks (say 55 gal and up), the 330 or 350 Penguin pump holds two filters side by side, so never change both filters the same week. Hope this helps you avoid the disaster that hit my tank. Others who I am sure know more about water chemistry have made comments that suggest that what I did is OK to do. I repeat: I changed about 25 percent of the water, vacuumed the gravel extensively and changed my filter. AND MY FISH DIED SOON AFTER. Again, I suggest you be safe and not sorry.
4 of 5 people found the following review helpful:
5.0 out of 5 stars
Great deal,
By Tyler Forge "realist" (Sunnydale, CA) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: "Marineland Penguin 200B/350B/170B/330B Rite-Size C Filter Cartridge 6 pk " (Misc.)
I bought a load of these and saved a ton of money. Petsmart ships, so no amazon prime savings. Still, what a deal. My big tank takes 8 filters. I was avoiding changing them because of cost.Funny, I changed all 8 at the same time and threw my tank out of whack. Too much algae and goo left the system with the old filters. I'll change 'em in stages from now on.
4.0 out of 5 stars
Good price for the filters,
By
Amazon Verified Purchase(What's this?)
This review is from: "Marineland Penguin 200B/350B/170B/330B Rite-Size C Filter Cartridge 6 pk " (Misc.)
While I'm not a huge fan of the Penguin 200 that I got, but since I have it and it works well enough, this is a good way to get them. They are easy enough to install, and it's a great price.
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