am going to have platy and guppy fry soon and i dont want to buy a new filter because i have a great one. Sponge filters are a no for me. Is there anything i can buy so that little fry wont be sucked up in a filter
Here is what the intake looks like

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Pantiehose over the end of it.

I cut up an old filter bag and used a rubber band to hold it on the intake pipe. You can see it in this picture (barely).

Aqua Clear sponges (AC10 or 20 depending on tank size). Get them wet, freeze it, then drill a hole slighty smaller than the diameter of the strainer. Slip it on and you'll be good to go. Give it a good squeezing out when you do your regular water changes.

you can also just use a sponge made for the kitchen.The kind thats got the scrubbies on them.They are yellow and wont look too pleasing,but they work well.

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"Come to the dark side....we have cookies...and filters/heaters/and water changes!"

Sorry I can't help.

I use thriving live plants and no filter.

my .02

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fw leiden since 1979, fo salt since 1979, mixed reef 55g 2002-2009. Strong emphasis on the tank taking care of itself. Balanced with plant life, no water changes, tap water, no filters in FW. Only dosing calcium, alk, mag in marine reef tanks. http://www.aquariumforum.com/f15/my-...ods-26410.html
recent tanks (till 2009) 7 years- 10g FW leiden 7 yrs, 55g mixed reef 7, 2 yrs, 20g FW leiden, 10 g fw leiden , 29g mixed reef, current tank 55g leiden

Be carefull with this though...some sponges now a days are made with chems to prevent mildew and bacterial growth. Very bad.

On my 29G tank filter inlets, I use Fluval pre filter sponges. They already have a hole in one end to slide it on the inlet tube. Here's a picture. I use these on my Aquaclear 20's.

^ I was going to say the same as Papa M (although everyone else's suggestions work as well.) I use the same over the intake filter sponge as the one above and it works fantastically! (Just make sure you squeeze it out when you do your water changes because floating debris can get stuck in it and slow down the filtration rate.)

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20g Heavily Planted http://www.aquariumforum.com/gallery...00&ppuser=8981
36g Bow Front Heavily Planted http://www.aquariumforum.com/gallery...00&ppuser=8981