New flourescent tubes flickering?
Sounds like you need a new ballast in your fixture and it's very possible that you got a bad lamp. Try putting one of the yellow lamps with one of the daylight lamps and then switch the daylight lamps to see if one of them doesn't work. More than lik...
Can one use 20W fluorescent tube lamps as a substitute to 40W lamps?
Yes they will work if they fit the fixture.... They will only draw the 20 watts they need to operate, so No, you will not blow the 20W lamps.... Ensure however that the lamps you will be using are rated for 220 volt operation... I am guessing you are...
can you uses a desk lamp instead of a heating lamp for a little painted turtle?
No, they need both UVA and UVB lighting with neither is produced from a regular lamp. UVA/heat lamps made specifically for reptiles are needed to help stimulate activity and heat the basking area. UVB bulbs are crucial because the turtle can't metabo...