| | |  | Filters & Pads | Home » » » » » "Marineland Penguin 200B/350B/170B/330B Rite-Size C Filter Cartridge 6 pk " | | | | | | | 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. | | | Features: | |
• A perfect fit for every filter
• Meets the highest standards of water purification and operational ease
• Each cartridge is pre-assembled
| | | Product Details: | | | Product Length:
| 4.5 inches | | Product Width:
| 6.5 inches | | Product Height:
| 6.75 inches | | Product Weight:
| 0.75 pounds | | Package Length:
| 6.9 inches | | Package Width:
| 6.6 inches | | Package Height:
| 4.6 inches | | Package Weight:
| 0.85 pounds | | Average Customer Rating:
|  based on 48 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 48 customer reviews )
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Most Helpful Customer Reviews
32 of 33 found the following review helpful:
Great - but a warningFeb 28, 2010
By Arnold Berger
"amazon-arnie"
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 found the following review helpful:
Great dealDec 15, 2006
By Tyler Forge
"realist"
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.
Great priceMay 24, 2012
By Leith Tussing
The filters themselves are just ok, they don't pack a lot of carbon evenly and some layers are rather sparse. However I've already bought the thing so now I have to live with the filters it needs. This package of filters is an excellently priced bundle that will last me half a year in my one fish tank.
Great price and productMay 11, 2012
By Ms. Suk Adams
We have a 55 gallon tank and we have 2 Koi, 1 goldfishes, 1 black mollie, and some albino catfish and sucker fishes. Needless to say our tank gets pretty dirty. We use 2 power filters to try to keep the tank clean. The 4 filters need to be changes about once a month but lately we have to change it every 2 weeks so we go through these filters rather quickly. I am glad that I found them on Amazon.com for almost 50% less than what I would have to pay at the regular price at my local pet store. I am coming back for more once my supply runs low.
Does the jobApr 25, 2012
By Rick P.
Cartridges were exactly what I need for my Penguin 350 power filter. They help keep my 38 gallon aquarium nice and clean.
See all 48 customer reviews on Amazon.com
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