New 25g tank setup

[Swimfins]

I just set up my 25g long tank with 17 pounds of LR and yesterday added 11 more pounds more of some really nice Fijii rock. I'm still waiting out the cycle because the new rock I added yesterday was uncured. (I am going slowly and researching thngs as I go).
Question: I am using an aquaclear 70 powerhead. It is powerful and can easily pick up gravel. How can I cover the intake to prevent this happening to the animals I'll eventually keep? I tried covering the intake with a nylon stocking and elastic, but as soon as it was plugged in, I looked at the powerhead and the screen I made was gone. I searched all thru the rock :rant2: thinking it got blown into a cave or something. But the next day I turned off the powerhead to settle some debris I stirred up from rearranging and found the nylon and elastic inside the powerhead intake. What would this do to fishies or lil creatures??? I hate to think.

What to do about it?


Uto!!! This is for the Newbie Marine Form ooops

 

[XSeaNX]

GENERALLY if people are worried about it they will use filter foam or some sort of filtering media and slip it over the intake the only problem with that is that youre going to be cleaning THAT daily due to build up.

do some research over at the marine section in general. also, Nano-Reef.com is a very good website for information on reef tanks and salt water aquariums.

Ive been researching for a while...the biggest thing thats holding me back is HOW large do I want and do I want to take a tank down to put one up