hard

Have you ever noticed that the environmental parameters that you track in your tank are typically the ones that are spot-on perfect all the time? However, wouldn't it make more sense to figure out which parameters are the most important ones to monitor, even if they are not necessarily the...

Has anybody tried? Is it hard? How is it done and what are the drawbacks? I'm getting tired of having to find time to go somewhere that actually sells them in order to get them. Honestly, I wish I could find them frozen because keeping them in the fridge is sort of gross, not to mention that...