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  1. DIY
    i made a cheap filter using a water bottle, powerhead, and a sponge. Air started accumulating in it. I think it's CO2 from aerobic bacteria in the sponge. But I don't know, it could be methane or something. Thoughts? It used to look like the first image, but after a day, the air bubble...
  2. General Planted Tank Discussion
    OK so you pretty much read everywhere to rinse the things off in "used" tank water. At first I just said ok...cause what do I know. But now I'm wondering why exactly...I mean all the Beneficial Bacteria is "sticky" and water changes to not really impact it because the BBs are not in the...
  3. Equipment
    So I'm sitting here looking at my XY dual sponge filter... ...and I just finished watching and reading up on "Fluidized Sand Bed Aquarium Filters"... ...when it struck me that the little clear tube looked very much like a FSB sans the media...and that "De Nitrate" was supposedly designed to...
  4. DIY
    I have 4 powerheads in my 50 gallon tank that have sponges affixed to their intakes, and that filters the water mechanically and biologically. I've used sponges I found in the garage- from the 80's... Perfectly preserved. I tried using sponges from Home Depot, but the modern sponges...
  5. Tank Journals
    In hindsight I should have started this journal a long time ago. Anyways, many events lead to my starting a planted tank, it started insidiously over years with various little outdoor container ponds and one particular forgotten container pond, overgrown with horsetail reeds. The horsetail...
  6. DIY
    I've been using sponges intended to wash cars with for my diy sponge filters. They fill up pretty quickly with gunk, so I'm thinking of switching to a coarser open cell foam. Any cheap sources besides just using filter blocks from the chain marts?
  7. For Sale/Trade
    These are my personal shrimp that are bred in straight tap water with no additives. My tap water comes out with a PH of 7.5, TDS 150, KH 11 and the only thing I add is seachem safe as a dechlorinator. I keep my temps from 72f-75f. You will get 1/4" or bigger shrimp in a Kordon breather bag...
  8. Equipment
    Hello all, I've never used a sponge filter before, but I"m going to get some for a couple breeding tanks. I'm just wondering how effective they are at filtering the water? And I'm wondering on what size (GPH) for a power head or what size of an air pump should I use? I'm probably going to...
  9. For Sale/Trade
    I want to invite everyone to try a new sponge filter on the market. You've heard of Hamburg Mattenfilters (HMF) I'm sure, but we re-thought it a little bit and have developed a newer style. Our filter is 100% aquarium safe and is made right here in the USA! Introducing... the all new HYDRO...
  10. Equipment
    I have some extra sponge filters I would like to seed with bacteria. If I just sit them in tanks already established will the bacteria build up or would it be better to actually have them running. I figure there will be some bacteria build up without having to run them, but I just wanted to make...
  11. Shrimp & Other Invertebrates
    Did a water change (5 gallons) about 4-5 days ago from my 20 gallon main tank, and topped off my 2.5 gallon mini with water left over from the change. Yesterday I started noticing bubbles developing on the waters surface which is normal, but these were big bubbles and they weren't going away...
  12. Equipment
    I have a Hagen Elite Mini filter in my 5 gallon betta tank. Everything is going well, but I don't know how often I should change the sponge in the filter. I squish it every week when I do a water change, but the brown stuff is still slowly building up. Thanks for your advice, Val
  13. Equipment
    Could i use a cleaning sponge right out of the pack as a temporary filter cartridge until i have the chance to buy some?:fish1:
  14. General Planted Tank Discussion
    As a preface, I've researched the absolute hell out of solutions for this, and just can't figure out where to go from here. Need some advice :icon_mrgr So, one of the last times I went to the LFS, I was conned into taking home a large bagful of duckweed for my 55g. I'd always heard good things...
  15. Equipment
    I have a small 2.5 gallon tank set up next to my bed and plan on using it as a breeding tank for shrimp. I want to split the air between a sponge filter in that tank and an air stone in my 10 gallon. Later I want to use the pump for a larger 10-20 gallon shrimp breeding bucket during the summer...
  16. Equipment
    What is the best sponge filter to get for my 10g shrimp tank?
  17. DIY
    I am wanting to make my own small sponge filters for my 10G planted tanks and in preparation for a CRS breeding tank. I have chosen to use PVC pipe as my main tube and then your basic tubing found at Petsmart for the air to pass through. The problem I am running into is finding foam. I've...
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