Recent content by David Middleton

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    Is this a problem with my JBL Cristalprofi filter setup?

    No; but will try the floss if it is thought that this might help.
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    Is this a problem with my JBL Cristalprofi filter setup?

    Just possible but I saw no evidence when tank was refilled and then cycled.
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    Is this a problem with my JBL Cristalprofi filter setup?

    I retained my existing sand Substrate.
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    Is this a problem with my JBL Cristalprofi filter setup?

    I have 200 litre tank filtered by a Cristalprofi 900 Canister Filter. It is now about 6 years old but has never given any issues. About 5 months ago I had a massive Ammonia spike probably initially caused by the death of a large clown loach which was hidden by plants. Over next week or so I...
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    How best to lift my pH so that it stays higher?

    Thanks to all who have responded. Your comments are well taken.
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    How best to lift my pH so that it stays higher?

    Following my disastrous ammonia spike of a few months back (which killed all my fish -most in excess of 5 years old) I have cycled my 200 litre tank and now Ammonia, Nitrites and Nitrates are all very good again. During the process I had read that the cycling would be speeded up the higher my...
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    Mass death of long term fish

    Noted and I will defer to you on this. Thanks.
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    Mass death of long term fish

    Thanks; I will do a daily 10% change for a couple of weeks.
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    Mass death of long term fish

    WOW! This is very interesting and may well be the exact cause. All 3 of the clowns were ok yesterday during the day and as you say, I had owned them from 1 inch long to their eventual 4-1/2 - 5 inch size. Scales were being cast when I retrieved the dead fish and so this may have caused the...
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    Mass death of long term fish

    Today I found that at least 6 of my fish had died without showing earlier evidence of distress. I have lost all 3 Clown loaches which I have had for more than 5 years and both my Corydoras catfish plus at least one emperor tetra. They were in my 200liter tank with other fish (some of which look...
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    Conversion needed for "Safe" Powder into "Prime"

    Hi; Quite some time back I read a thread which showed massive savings if you were to make your own "Prime" from "Safe" Powder. I wrote the conversion on the 1 litre bottle I used and all has been great. However, the written conversion has faded to the point that I cannot read it. Do any of you...
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    Keyhole Cichlids issue

    No new plants or fish recently. Nearly all my fish have grown since they were small till now (3 years)
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    Keyhole Cichlids issue

    Thank you.
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    Keyhole Cichlids issue

    Cannot fully explain why there is a usual .2 ppm of ammonia. A far as water changes I have been doing similar for a long time with no ill effects. I do not like to see fish droppings on the sandy substrate and I hoover that up at same time. That said, if I am away on holiday for 2 weeks there...
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    Keyhole Cichlids issue

    As you can see my fish have some sort of white spots on their bodies. (NO other tankmates affected) Neither fish exhibits any flicking or discomfort. They are fed top quality flake food combined with pellets and frozen food. The tank is filtered by a JBL Cristal profor 900 series external...
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