Recent content by bodge99

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    Sodium Thiosulphate

    Hello,   Yes, It's true that the breakdown of chloramines produces ammonia.. however the amounts are very small.. I understand that the amount is a couple or orders of magnitude smaller than the ammonia produced by the fish themselves..   A cycled tank has the biological mechanisms established...
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    Sodium Thiosulphate

    Hello,   Yes, spot on..   Don't forget.. discard unused dechlorinator after 6 months and make up fresh..   Bodge99.
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    Fixing Juwel Light Bar.

    Hello,   There are various physical ways to connect up the two tubes which are electrically equivalent..   Just as long as one tube end is connected to [12,link to other tube] and [13,14] to the other end. The other tube to [9,10] to one end, with [11,link to other tube] on the other end, then...
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    Sodium Thiosulphate

    Hello,   I don't use anything else at all.. Never had any problems...   Good luck!   Bodge99
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    Sodium Thiosulphate

    Hello,   When you obtain your sodium thiosulphate, store it in an air tight container, out of direct light.   In my youth, I used this stuff as a major ingredient in darkroom (photographic) fixer... It's also known as "hypo" See  http://en.wikipedia.org/wiki/Photographic_fixer   Good luck.   Bodge99
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    Sodium Thiosulphate

    Hello,   Interesting.. thanks for posting this.   With these figures, I would work to 2ppm.   I understand that some people "sniff" their (clean) water and up the dechlorinator dosage a little if the chlorine smell is stronger than usual.   Bodge99.
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    Lights On Rena Not Working

    Hello,   I'll help if I can..   First off.. I'll need a little information.   What model Rena tank is it?. If you are unsure, can you identify an identical tank on Ebay so we can have a look?   You state 4 tubes... How many switches (if any) and how many starters are fitted?   Are the electrical...
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    Fixing Juwel Light Bar.

    Hello,   You are just about there...   Just to clarify, at either end of the tube (you are right, more correctly called "bulbs".. I prefer "tubes")  there is a filament (heater). These are electrically isolated from each other when the tube is off. If you look at the image...
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    Fixing Juwel Light Bar.

    Hello,   If you could post a picture of the ballast wiring schematic then I'll talk you through it..   Bodge99.
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    Sodium Thiosulphate

    Hello,   Yes, I get the same figures as you.   You should be perfectly OK calculating for either 1 or 2ppm. You would need massively greater concentrations to actually overdose. You are aiming to dose a sufficient amount to do the job with a little "spare overhead", if you see what I mean...
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    Sodium Thiosulphate

    Hello,   I use a medicine syringe.. you can get these cheaply from your local chemist.   One of the dilutions I use is this..   For 500ml of stock solution add 7(.011)g of sodium thiosulphate. This is calculated for 1ppm chlorine.   Dissolve the crystals in 500ml of water.. The solution is now...
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    Sodium Thiosulphate

    Hello,   You would need to contact your water supplier for an accurate figure.. DEFRA state "Typically water companies keep the level of residual disinfectant in the form of free or combined chlorine to 0.5 mg/l or less"   I assume 1ppm as there are no chloramines in my supply. If there was, I...
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    Sodium Thiosulphate

    Hello,   Yes, I've used exactly this for years..   See http://www.cnykoi.com/calculators/calcdechlor.asp   Bodge99
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    Fixing Juwel Light Bar.

    Hello,   Well done for getting this far..   I've used 1.0mm solid core lighting cable before.. You can buy this by the metre from your local DIY shop or electrical wholesaler. e.g...
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    Fixing Juwel Light Bar.

    Hello,   You have a cold cathode ballast... You can immediately identify these as they use one connection to each tube end. Hot cathode ballasts use two connections per tube end.   You'll either have to locate a cold cathode type ballast or see if you can change the hood wiring to suit a hot...
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