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How are a qt and a hospital tank different---or are they?

Posted 01/15/2015 at 02:52 PM by Sk8r

Difference between a qt and a hospital tank...
There need not be. What describes a hospital tank can be a qt, IF you're willing to do very frequent filter changes, and you can do it as one tank. Follow with me. Understand the trade-offs.

A 'cycled' qt relies on bacteria. You can go as far as sand, rock, etc...or just sponges with bacteria. You put the fish in, you watch fish for four weeks. If you have to treat, you then move the fish to a hospital tank. And if it's a sand-rock...
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Things many people don't realize...

Posted 12/29/2014 at 02:39 PM by Sk8r

A few things many people don't realize...
1. bacterial colonization (cycling) goes on for some time after your initial 'ammonia' reaction, in the sense that life goes on colonizing your rock all the way to the core of it. This is why old live rock is tougher than nails---and why just-cycled rock is very fragile. This process (depending on how holey and porous your rock is) can continue for many months. This is one reason why we say go slow at first. Your rock won't be finished colonizing...
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Showpiece fish in your tank---good idea? or not?

Posted 10/25/2014 at 11:35 AM by Sk8r

Serial killer fish in your tank...what triggers them?
I kind of wince when I hear the phrase 'showpiece fish'. Most tend to be of a pushy species, and if you don't give them enough room...your other fish start disappearing. They don't even have to be that huge a fish---if your tank size makes them feel cramped, they just start adjusting the aquarium population until they feel calmer in the traffic flow. Your other fish, in a healthy tank, just start not reporting for feeding. Sometimes you'll...
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When and how to start with corals.

Posted 10/24/2014 at 08:26 AM by Sk8r

When and how to start with corals...
Corals are in a way a responsibility: their collection in the wild likely cannot continue unrestricted: there is already a call for certain ones not to be collected. Communities have taken to aquaculturing them---putting them in lagoons where they can be grown in native waters, rather like farming.

And we can grow them for domestic sale or trade. Certain ones are quite easy to grow and break apart for sale, and if you want to get into this,...
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GFO and Algae

Posted 10/04/2014 at 12:04 PM by Sk8r

Do you need GFO: how to use it...RE PHOSPHATE AND ALGAE PLAGUE
Granulated Ferrous Oxide is, in effect, rusty iron pellets made porous, specifically to sop up and hold phosphate out of your water.

Rock, sand, and tapwater all contribute phosphate to your tank, and algae loves it...especially hair and film algae. Some rock is worse than others in this regard---but it can be some of the prettier rock. And 'new' rock goes through a period when it starts slowly 'leaking' phospate...
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