Which salinity is more harmful to corals 1.020 to 1.025 or 1.025 to 1.030? I do not have a drip system. Should I set my salinity at 1.025 and let it go up to 1.030 or set it at 1.020 and let it go up to 1.025? Been looking for a simple inexpensive drip system, but cant find one. Thanks all