09-08-2011, 06:34 PM
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Originally Posted by JImi
Ok I have just realised that the £11 is for the first time you buy it with bucket.
The tank I am going to be getting is an Orca TL450
So were back on as they charge 3.75 for 25l refil. So the first time I get it obviously I will need to get 58l but then when I need to do a water change its only going to be 1/4 of the tank say. So.....
3.75 / 25 = 15p per litre
25% of 58l for a water change is 14.5l
14.5l x 15p = £2.17 per water change.
Can someone check my maths on this because I am terrible at it and a moment ago I had it wokred out as 93p per water change!
Next question though. This water is without salt or anything so I will have to test and add. How long before it goes into to the tank does this have to be done?
Also, what do I need to add to it to make it good for the tank...i.e salt, nutrients so on and so forth?
WOW. Let the water sit with the salt stirring for 24hrs before adding it to the tank.
Seond, you'll need a refractometer to check the salinity of the water, you want it between 1.024 and 1.026. And your 10% water changes weekly works out well.