Calcium Tablets For Snails

[Titchie]

Ive seen these,
http/www.ebay.co.uk/itm/320760094589?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_2391wt_932

Are they important as I have a few snails kicking about

 

[fishyfeet]

hmmm arnt they just feeder blocks, snails need hard water to maintain health shells, you can add cuttle fish to the tank, egg shell, coral or put a bag of coral in the filter.

 

[Titchie]

Well ive got hard water so I dont think il need them