i have a 2 foot tank and a UV tube fitted it is a repti glo 2.0 i have heard you need a reptisun 10.0 but i can't find any at my local pet store i have also put some aluminium foil around the top to reflect the ray will this increase the UVA & UVB or will i have to order a redptisun 10.0 online? also i can't find any calcium powder if anyone that lives in derbyshire area knows where to find any of these accessories will get best answer! answer quick